So I found the doctor they claim is treating her and some interesting facts about Sloan Kettering:
https://consumer.healthday.com/cancer-information-5/lung-cancer-news-100/justice-ruth-bader-ginsburg-released-from-hospital-after-lung-surgery-740934.html
>According to thoracic surgeon Dr. Valerie Rusch , both nodules removed during surgery were found to be malignant.
https://www.mskcc.org/cancer-care/doctors/valerie-rusch
>A native New Yorker, I graduated from the Lycée Français de New York and Vassar College and am fluent in both French and English. I received my MD degree from the College of Physicians and Surgeons at Columbia University, then completed residency training in general surgery and thoracic surgery at the University of Washington in Seattle. After that, I spent one year at MD Anderson Cancer Center in Houston for additional training in thoracic oncology before joining the faculty at the University of Washington for six years. In 1989, I joined the staff at MSK.
Look who else received treatment at Sloan Ketting, Mr. Punchy himself:
https://healthylivingmagazine.us/Articles/3021/
>In October 2003, Robert De Niro learned he had early stage prostate cancer. After undergoing surgery at the Memorial Sloan-Kettering Cancer Center in New York in December the same year he experienced full recovery and resumed his stellar acting career. In 2012, he was nominated for an Academy Award for Best Supporting Actor in Silver Linings Playbook.
Look at one of the top donors:
https://nypost.com/2015/05/22/the-evil-koch-brothers-dare-to-give-again/
>Worse, he’s forking over more than ever: a single contribution of $150 million to Memorial Sloan-Kettering Cancer Center.
The way Q worded the post I'm assuming a couple things: