Stomach disease utilizes a small flexible camera. The procedure does require intravenous sedation and takes about 30–45 minutes; the endoscope is inserted via the mouth and can visualize the entire swallowing tube, stomach and duodenum. The procedure also allows the physician to obtain biopsy samples. In many cases of bleeding, the surgeon can use the endoscope to treat the source of bleeding with laser, clips or other injectable drugs. Other radiological studies frequently used to assess patients with chronic stomach problems include a barium swallow, where a dye is consumed and pictures of the esophagus and stomach are obtained every few minutes.
Into the Mouth of the Cat the United States Air Force Academy, is named in his honor. Into the Mouth of the Cat Into the Mouth of the Cat: The Story of Lance Sijan, Hero of Vietnam is a book written by Malcolm McConnell and copyrighted in 1985 by Norton publishers. The book is based on the story of Lance Sijan who was a United States Air Force captain in the Vietnam War. On November 9, 1967, Sijan ejected from his F-4 Phantom II at high speeds and at a low altitude, which caused him to suffer massive injuries to his body. Upon waking the next