John Percy Lockhart-Mummery FRCS, was a British surgeon at St Mark's Hospital, London, who devised a classification of rectal cancer and described familial polyposis which led to the formation of the polyposis registry. He was the author of several books, including Diseases of the Rectum and Colon and their Surgical Treatment (1923), The Origin of Cancer (1934), and After Us, or the World as it Might Be (1936). His work on colorectal surgery earned him the nickname "King Rectum".
- Occupation
- writer
- Citizenship
- United Kingdom
- Born
- 1875, February 14, 1875
- Died
- 1957, April 24, 1957
