Mark Lewis: Super helpful visual reference

Mark Lewis shared on X/Twitter:

“Super helpful visual reference (at least for this oncologist) interpreting liver segments in axial cuts on CT.”

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Source: Mark Lewis/X

Mark A. Lewis is the Director of Gastrointestinal Oncology at Intermountain Healthcare in Utah, the Co-Chair of adolescent and young adult (AYA) oncology in the SWOG cooperative group and the Vice President of American Multiple Endocrine Neoplasia Support. Dr. Lewis is also a well-known patient advocate and social media influencer.