Santam Chakraborty
banner
santam.bsky.social
Santam Chakraborty
@santam.bsky.social
Oncologist | Radiation Oncologist | Opinonated | Atheist | Researcher | Father | ❤️ Statistics, Books & Tech . @[email protected] @learningonco #RadOnc #MedSky #CanSky #MedTwitter #gyncsm #bcsm #sarcoma #RStats #ClinicalTrials
Pinned
Some additional accounts added to Isocenter starter pack. Please message / like / repost / reply so I can add you. This is meant to be a general list of professionals of #radonc #ClinOnc #medphys #radther #rmeddosim #brachytherapy #EBRT #IGRT #IMRT #IORT #ProtonRT #SBRT #StereoRT go.bsky.app/9dMTnSr
Back here after a long time. Happy to report that our new electronic patient reported outcome #EPROM #HRQOL system is #opensourced and available here. github.com/CHAVI-India/.... This is free to use and we welcome users especially from #LMIC.
GitHub - CHAVI-India/SATHI: Patient Reported Outcome System
Patient Reported Outcome System. Contribute to CHAVI-India/SATHI development by creating an account on GitHub.
github.com
October 6, 2025 at 6:15 PM
Reposted by Santam Chakraborty
The HPV vaccine has been recommended in the US since 2006. New study out today shows that cervical cancer deaths in young women in the years that followed have plummeted, decreasing 15% per year from 2013-2015.
jamanetwork.com/journals/jam...
Cervical Cancer Mortality Among US Women Younger Than 25 Years
This study examines trends in cervical cancer mortality in US women aged younger than 25 years before and after the introduction of human papillomavirus vaccines.
jamanetwork.com
November 28, 2024 at 2:43 AM
+1 for #medsky labeller.
#HiScisky #MedSky

Are you interested in adding a label to your profile ?

1- subscribe to STEM labeler bsky.app/profile/did:... or MedSky labeler bsky.app/profile/did:...

2- find your speciality (if it exists) in the posts (not very intuitive)

3- Like the post with specialty (Max 4)

4- et voilà
November 24, 2024 at 1:45 PM
Reposted by Santam Chakraborty
Want to dip your toe into #programming? This free 6 hour intro to #Rstats online curriculum is a great entry point and we get good feedback when teaching it to researchers. Don't worry about the 'for ecologists' bit, that's just the flavour of dataset. #academicsky #research #science
Data Analysis and Visualization in R for Ecologists: Summary and Setup
datacarpentry.github.io
November 24, 2024 at 6:21 AM
I finished my conference presentation for #AROICON2024 exactly 1 week before the 📅 !
November 24, 2024 at 9:59 AM
#RStats folks please share your favourite resources for jazzing up your #quarto #revealjs presentations.
a man stands in front of a white board that says " give it to me please "
Alt: a man stands in front of a white board that says " give it to me please "
media.tenor.com
November 24, 2024 at 7:33 AM
I wonder if they would have invented cooking if they had been evolved to live on land instead of water. www.popsci.com/dolphins-thr... #dolphins #octopus #MarineSky
Dolphins beat up octopuses before eating them, and the reason is kind of horrifying
In general, it’s best for your food to not kill you. Dolphins agree, which is why they thrash their octopus around a bit before they chow down. Read on:
www.popsci.com
November 24, 2024 at 3:42 AM
Reposted by Santam Chakraborty
This is the latest list of people with less than 1000 followers. It's been updated since yesterday to include everyone that asked.

Please follow all and keep strengthen our community!

There's still some room if you have less than 1000 followers and would like to be added

💙💙💙

go.bsky.app/RXHjDai
November 23, 2024 at 7:43 PM
Beautiful explanation of why using bar plots for representing summary stats is a bad idea.
suggestion 1: do not to use bar charts for summary statistics unless the visual metaphor of a bar corresponds to the form of the statistic (e.g., sum()), as some people will misinterpret (see doi.org/10.1167/jov....)

suggestion 2: show raw data then overlay mean and median as points or lines
November 23, 2024 at 6:33 PM
interesting research on using LLMs for guiding #bcsm #BreastCancer #EBRT #radonc decision-making for three types of cases for breast radiotherapy. Not surprised that these "stochastic parrots" don't know what they are spewing out. https://www.medrxiv.org/content/10.1101/2024.11.11.24317123v1
Large Language Models Fail to Reproduce Level I Recommendations for Breast Radiotherapy | medRxiv
This study evaluates the reliability of the largest public-facing large language models in providing accurate breast cancer radiotherapy recommendations. We assessed ChatGPT 3.5, ChatGPT 4, ChatGPT 4o, Claude 3.5 Sonnet, and ChatGPT o1 in three common clinical scenarios. The clinical cases are as follows: post-lumpectomy radiotherapy in a 40 year old woman, (2) postmastectomy radiation in a 40 year old woman with 4+ lymph nodes, and (3) postmastectomy radiation in an 80 year old woman with early stage tumor and negative axillary dissection. Each case was designed to be unambiguous with respect to the Level I evidence and clinical guideline-supported approach. The evidence-supported radiation treatments are as follows: (1) Whole breast with boost (2) Regional nodal irradiation (3) Omission of post-operative radiotherapy. Each prompt is presented to each LLM multiple times to ensure reproducibility. Results indicate that the free, public-facing models often fail to provide accurate treatment recommendations, particularly when omission of radiotherapy was the correct course of action. Many recommendations suggested by the LLMs increase morbidity and mortality in patients. Models only accessible through paid subscription (ChatGPT o1 and o1-mini) demonstrated greatly improved accuracy. Some prompt-engineering techniques, rewording and chain-of-reasoning, enhanced the accuracy of the LLMs, while true/false questioning significantly worsened results. While public-facing LLMs show potential for medical applications, their current reliability is unsuitable for clinical decision-making. ### Competing Interest Statement The authors have declared no competing interest. ### Funding Statement This study did not receive any funding ### Author Declarations I confirm all relevant ethical guidelines have been followed, and any necessary IRB and/or ethics committee approvals have been obtained. Yes I confirm that all necessary patient/participant consent has been obtained and the appropriate institutional forms have been archived, and that any patient/participant/sample identifiers included were not known to anyone (e.g., hospital staff, patients or participants themselves) outside the research group so cannot be used to identify individuals. Yes I understand that all clinical trials and any other prospective interventional studies must be registered with an ICMJE-approved registry, such as ClinicalTrials.gov. I confirm that any such study reported in the manuscript has been registered and the trial registration ID is provided (note: if posting a prospective study registered retrospectively, please provide a statement in the trial ID field explaining why the study was not registered in advance). Yes I have followed all appropriate research reporting guidelines, such as any relevant EQUATOR Network research reporting checklist(s) and other pertinent material, if applicable. Yes All data produced in the present work are contained in the manuscript
www.medrxiv.org
November 23, 2024 at 6:29 PM
This is important people. I had used it over firefox since the past year .
If you use X/Twitter still, I strongly recommend at least deleting the app. Apps can gain much more information than being logged in to the site in a browser on your phone. Consider also deactivating your account or whatever, but for sure delete the app as a first step.
November 23, 2024 at 5:41 PM
Reposted by Santam Chakraborty
Here is a #compbio starter kit! go.bsky.app/QVPoZXp To all the #Bioinformatics #Genomics #MachineLearning folks: please RP and let’s build this together!
November 23, 2024 at 4:17 AM
Reposted by Santam Chakraborty
Both #Cancer #Research starter packs are now completely full!

~300 researchers, oncologists, students, postdocs, patient advocates, and organizations supporting cancer research 🧪🔬⚕️

I hope you'll find these useful to build our community here

Pack 1: go.bsky.app/FEoaJMc
Pack 2: go.bsky.app/6EcjWNA
November 23, 2024 at 1:27 PM
Some additional accounts added to Isocenter starter pack. Please message / like / repost / reply so I can add you. This is meant to be a general list of professionals of #radonc #ClinOnc #medphys #radther #rmeddosim #brachytherapy #EBRT #IGRT #IMRT #IORT #ProtonRT #SBRT #StereoRT go.bsky.app/9dMTnSr
November 23, 2024 at 4:24 PM
Reposted by Santam Chakraborty
Radiation Oncology Tag Ontology [RTO]: Collaborative Design Integrating Hashtags Across Cancer Care [May 23, 2019] Matthew S. Katz, MD @subatomicdoc in @symplur blog ow.ly/9nNG30oOtaY #RadOntPro #radonc
Radiation Oncology Tag Ontology: Collaborative Design Integrating Hashtags Across Cancer Care
In the five years since the patient-centered Cancer Tag Ontology (CTO) came into being, conversations about cancer on Twitter continue to grow. The
ow.ly
November 18, 2024 at 3:58 AM
Reposted by Santam Chakraborty
🚨🚨Prostate and UREthra on MRI (PURE-MRI):
Try to contour (outline) the prostate and urethra on MRI for 1 patient
After everyone is done, we will enable the “answer key”
And you help us learn how to help doctors and AI do better
Sign up here: redcap.link/PURE-MRI
🙏🏼
November 22, 2024 at 11:22 PM
Why are people surprised / shocked by this. The whole purpose of a for profit insurance company is to generate profits for its shareholders. Denying claims is the only way to maximize profitability. Its is absolutely bonkers that we think private insurance will somehow be "fair".
“UnitedHealth used an algorithm system to identify patients who it determined were getting too much therapy and then limited coverage. It was deemed illegal in three states, but similar practices persist due to a patchwork of regulation.” #MedSky
How UnitedHealth’s Playbook for Limiting Mental Health Coverage Puts Countless Americans’ Treatment at Risk
United used an algorithm system to identify patients who it determined were getting too much therapy and then limited coverage. It was deemed illegal in three states, but similar practices persist due...
www.propublica.org
November 23, 2024 at 3:25 PM
If you are looking to get started with #MedSky #CanSky #Medicine #Healthcare related accounts to follow.
Looking for medical professionals to follow? Just added the 6th installment *Medsky Sanguine Six*
#medsky 🩺🧪
Round 1
go.bsky.app/Qg2TA9p
Round 2
go.bsky.app/9ziyYqt
Round 3
go.bsky.app/9WQtZh6
Round 4
go.bsky.app/HRaNhEt
Round 5
go.bsky.app/DvGjDh6
Round 6
go.bsky.app/TzRhec3
November 23, 2024 at 11:43 AM
Reposted by Santam Chakraborty
Looking for medical professionals to follow? Just added the 6th installment *Medsky Sanguine Six*
#medsky 🩺🧪
Round 1
go.bsky.app/Qg2TA9p
Round 2
go.bsky.app/9ziyYqt
Round 3
go.bsky.app/9WQtZh6
Round 4
go.bsky.app/HRaNhEt
Round 5
go.bsky.app/DvGjDh6
Round 6
go.bsky.app/TzRhec3
November 19, 2024 at 12:52 AM
Wrote up a lil #rstats opinion post based on an interesting discussion on here about where aes() should go in a ggplot.

kbodwin.github.io/paRticles/po...

(Useful, or did I just want to title a post "Move your aes"? You decide.)
paRticles - Move your aes
kbodwin.github.io
November 23, 2024 at 3:29 AM
There is no better example of a failed healthcare system driven by profit. sadly it is the role model for many countries especially #India
Thrilled to join so many child & public health advocates on #BlueSky.

It is a tragedy that the variation in life expectancy at birth by census tract in the U.s. spans 40 years and the U.S. life expectancy lags other developed countries. #publichealth
November 20, 2024 at 4:42 PM
Reposted by Santam Chakraborty
Thrilled to join so many child & public health advocates on #BlueSky.

It is a tragedy that the variation in life expectancy at birth by census tract in the U.s. spans 40 years and the U.S. life expectancy lags other developed countries. #publichealth
November 19, 2024 at 1:26 AM
Reposted by Santam Chakraborty
I can't find African Scientists and researchers easily on here. As the second largest continent with 1.3 billion inhabitants our perspectives matter. I'm creating a starterpack to find folks, follow them and amplify them. If you are an African Scientist let me know below so I can add you. Thanks.
November 20, 2024 at 11:08 AM
Question for #visualization #Rstats #ggolot2 folks what is the best visualization that can be used to show differences in proportion of grades (ordinal 4 levels) of toxicity reported by patients and clinicians ?
November 19, 2024 at 6:01 PM
Reposted by Santam Chakraborty
Huge cohort

A total of 11,010,764 births before & 7,060,626 births during the pandemic were analysed.

The number of births with a congenital heart condition increased from 56.5 per 100k births pre pandemic to 65.4 per 100k births after pandemic year 1 - a 16% increase.
November 18, 2024 at 9:03 AM