![Annals of Internal Medicine Podcast show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/030/855/small/annals-of-internal-medicine-podcast.jpg)
Summary: Into thin air: high-altitude train travel on the Qinghai-Lhasa railway; interview with Dr. John West, MD, PhD, of the University of California San Diego; death from right-sided colon cancer after colonoscopy; plus a summary of the all the articles in the issue.