Lewis on Oncology

Mark A. Lewis, MD, is director of gastrointestinal oncology at Intermountain Healthcare in Utah. Specializing in cancers of the gastrointestinal tract and accessory organs, his interests focus on hereditary cancer syndromes and young-onset cancers, shared decision-making, and patient-physician communication.

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2023 ASCO GI Symposium: New, Measured Optimism Mark A. Lewis, MD, discusses emerging themes from the 2023 ASCO Gastrointestinal Cancers Symposium.
Medscape Oncology, March 06, 2023
Best CRC Treatment De-intensification: Better Screening Mark Lewis, MD, discusses the decline in colorectal cancer screening during the COVID-19 pandemic and his hopes for the future.
Medscape Oncology, April 27, 2022
Three Trials From ASCO GI Renew Hope KRYSTAL-1, TOPAZ, and HIMALAYA are more than just catchy trial acronyms, says Dr Mark Lewis.
Medscape Oncology, March 08, 2022
A Dying Patient's Request: Return My Trial Results Mark Lewis discusses the importance of sharing clinical trial results with participants and gives an example of a woman who was glad to hear positive results even after her spouse's death.
Medscape Oncology, December 21, 2021
OpenNotes: Advice From an Oncologist Who Survived Cancer Dr Mark Lewis discusses the delivery and timing of test results.
Medscape Oncology, November 03, 2021
ASCO 2021 ASCO 2021's Best Trials Proved We Can Do More With Less Dr Mark Lewis celebrates this year's annual meeting, which showed the positives of subtracting chemotherapy.
Medscape Oncology, July 14, 2021
COVID-19 and Cancer Treatment: Where Do We Currently Stand? Dr Mark Lewis discusses the new normal and considerations for cancer treatment during the COVID-19 pandemic.
Medscape Oncology, May 24, 2021
Lifestyle Alone Cannot Shield Us From Cancer Dr Mark Lewis laments the tendency to look for preventable reasons why people get cancer.
Medscape Oncology, March 15, 2021
Highlights From ASCO GI: Data That Will 'Advance Care' Immunotherapy, FGFR inhibition, and circulating tumor DNA are among the topics that excited Dr Mark Lewis from this year's ASCO Gastrointestinal Cancers Symposium.
Medscape Oncology, February 01, 2021
Positive Takeaways From This Annus Horribilis Dr Mark Lewis highlights the silver-lining legacies that grew out of this truly awful year.
Medscape Oncology, December 24, 2020
A Seismic Shift in Colorectal Cancer Screening Dr Mark Lewis discusses how the recent USPSTF recommendation to start colorectal cancer screening at age 45 years could affect physicians and patients alike.
Medscape Oncology, November 12, 2020
Unmasking Mask Misinformation and Myths Dr Mark Lewis provides talking points to counter misinformation on mask wearing.
Medscape Oncology, August 19, 2020
The Oncologist's Role With Savvy Patients Patients are savvy, says Dr Mark Lewis. Oncologists are uniquely positioned to help patients navigate the labyrinth of novel therapies and determine the best treatment options.
Medscape Oncology, July 21, 2020
In Uncertain Times, Oncs Are Among the Best at Risk Assessment Dr Mark Lewis discusses oncology decision-making during the COVID-19 pandemic, comparing it to Homer's 'The Odyssey.'
Medscape Oncology, July 14, 2020
Helping Our Kids Deal With COVID-19: 5 Tips Mark and Stasha Lewis, both physicians, talk about steps they've taken to balance their professional and family responsibilities during the COVID-19 outbreak.
Medscape Oncology, April 10, 2020
COVID-19 Mortality Risk 'Profoundly Disturbing' Dr Mark Lewis discusses the coronavirus and COVID-19, highlighting the importance of protecting those at risk, including patients with cancer.
Medscape Oncology, March 18, 2020
Stopping the Cancer Shame Game All the good habits and willpower in the world may not protect against a patient's bad luck, notes Dr Mark Lewis.
Medscape Oncology, March 02, 2020
When a Promising Trial Fails, It Can Feel Personal Dr Mark Lewis shares how even with disappointing trial results, he remains hopeful that continuing research will craft a better present and future for our patients with pancreatic adenocarcinoma.
Medscape Oncology, February 20, 2020
Family History Is Never 'Noncontributory' Dr Mark Lewis discusses how a few seemingly insignificant health details 'cast my entire family in a different light.'
Medscape Oncology, November 15, 2019
Clinical Trials Need More Transparency for Patients Dr Mark Lewis says that in an era of shared decision-making, we should welcome and even facilitate patients' searches for information about their cancers--and that includes clinical trial results.
Medscape Oncology, November 07, 2019

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