rectal shelf

rec·tal shelf

a shelf palpable by rectal examination, due to metastatic tumor cells gravitating from an abdominal cancer and growing in the rectovesical or rectouterine pouch.
Synonym(s): Blumer shelf

Blumer,

George, U.S. physician, 1858-1940.
Blumer shelf - a shelf palpable by rectal examination, due to metastatic tumor cells gravitating from an abdominal cancer and growing in the rectovesical or rectouterine pouch. Synonym(s): rectal shelf