[A surgically undiagnosed sigmoid polyp with subsequent degeneration].
D005260:Female; D006801:Humans; D008875:Middle Aged; D011127:Polyps / Q000175:diagnosis*; D011859:Radiography; D012811:Sigmoid Neoplasms / Q000175:diagnosis*
Polype sigmoïdien chirurgicalement méconnu puis dégénéré.