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Patient Story: Marc Weisenfreund

… belly button, normally an ‘outie,’ began to grow larger and more protruded. Over time this progressed until the … After several physicians referred him to Dr. Geller and he was satisfied with his research about Dr. Geller’s … doctor who treated a patient with such respect, kindness, and compassion as did Dr. Geller. “I was incredibly impressed …

Last Modified: 02/19/2023 - 13:11

GI/Oncology Surgery: Physicians' Newsletter, January 2017

… we report on our advances in treating Hepatitis C, tumors and transplants, our progress arresting cancers that have spread to the abdominal wall, and new discoveries about the importance of nutrition and the gut microbiome in small bowel transplants. Please see …

Last Modified: 05/25/2023 - 11:46

Gerthy Michel, MSN, APRN, FNP-BC

… 13 years. Gerthy works closely with Dr. Pokala Ravi Kiran, and all the colorectal surgeons in the Division. She sees … through their entire post-operative period.  She educates and triage patients and their families with common concerns relating to …

Last Modified: 04/04/2025 - 10:01

Innovations in Aortic Surgery

… health problems: fatigue, unexplained weight loss, and unexplained fevers. Taking a shower was sometimes too … Her doctors performed physical examinations, EKG testing, and more, but none of these revealed the source of her pain and general malaise. After various specialists tried …

Last Modified: 10/07/2025 - 11:20

Jennifer H Haythe, MD

… University in 1995. She completed her medical school and residency training at Columbia University College of Physicians and Surgeons in 2003. After finishing a congestive-heart … diseases there in 2009. She is currently the Irene and Sidney B. Silverman Associate Professor of Cardiology, …

Last Modified: 08/02/2026 - 22:42

FAQs & More

… three clinical letters of reference, USMLE results, CV and Personal Statement. What is the interview date? We will … the extremely competitive nature of our training program and the high volume of applications we receive each year, we … J1 visas. We cannot interview applicants who require and O1 or H1B visa. Who should I contact for more …

Last Modified: 09/18/2025 - 17:41

COVID-19 Update from Dr. Smith: 3/30/20

… of the Department of Surgery, sends an update to faculty and staff about pandemic response and priorities. Stay up to date with us. Dear Colleagues, I … would love to say otherwise, but new-case rates compel NYP and the entire tri-state area to increase ICU capacity …

Last Modified: 02/19/2023 - 13:12

COVID-19 Update from Dr. Smith: 4/4/20

… of the Department of Surgery, sends an update to faculty and staff about pandemic response and priorities. Stay up to date with us. Dear Colleagues, … include several ICUs. This included the CTICU, packed full and gamely holding on as our only non-COVID+ unit. I visited …

Last Modified: 02/23/2023 - 18:01

Guidelines for Fluid Management of Critically Ill Pediatric Trauma Patients

… fluid resuscitation to maintain intravascular volume and remain hemodynamically stable. Others argue that high … related to this leaked plasma—including cardiac, pulmonary and wound complications, a disturbance of coagulation and delayed gastrointestinal function.  "This multi-center …

Last Modified: 02/23/2023 - 18:00

Tumor Immunotherapy

… IL-2 Unit for the treatment of metastatic melanoma and kidney cancer in the New York City area. Unique in the … program draws upon collaborative efforts of laboratory and research staff to develop novel treatments using the … cancer. Specific approaches include tumor vaccines, IL-2, and interferon, and combinations of these. IL-2 is a therapy …

Last Modified: 02/19/2023 - 13:09

The Story of Two Heart Transplants Told Through Art on Social Media

… Cuban papercutting sculptor from New York City and is also currently a post-bac premed student at Columbia. For Gianna, artmaking is like breathing. And there have been periods of time when her body couldn’t … #GiannaTX #paperart #artinmedicine pic.twitter.com/guRmSBaNT5 — Columbia Surgery (@ColumbiaSurgery) February …

Last Modified: 02/24/2023 - 13:33

Anorectal Surgery FAQs

… possibilities for preparation will be discussed with you and may include GoLytely®, Magnesium Citrate, Fleet® … Please follow your surgeon's directions completely and call the office if you are unable to complete your … labwork such as complete blood count (CBC), chest X-ray and EKG may be necessary. After my anorectal surgery, will I …

Last Modified: 02/05/2026 - 16:03

Lauren's Law — One Girl's Story From Patient to Advocate to Legislator

… without one of the youngest advocates for organ donation and the namesake of the law: twelve-year-old Lauren Shields. … donation advocate, Lauren Shields has showed strength and courage beyond her young age. Despite being healthy … to a diagnosis of cardiomyopathy, or an enlarged heart, and heart failure. The doctors were unable to identify a …

Last Modified: 02/19/2023 - 13:09

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