Lefort, H [A surgically undiagnosed sigmoid polyp with subsequent degeneration]. [electronic resource] - Journal de radiologie, d'electrologie, et de medecine nucleaire Nov 1965 - 797-9 p. digital Publication Type: Case Reports; Journal Article ISSN: 0368-3966 Subjects--Topical Terms: FemaleHumansMiddle AgedPolyps--diagnosisRadiographySigmoid Neoplasms--diagnosis