title: Placental polyp: MR imaging findings.
mesh_terms: D000328:Adult; D002585:Cesarean Section; D003937:Diagnosis, Differential; D005260:Female; D006406:Hematoma / Q000175:diagnosis; D006801:Humans; D008279:Magnetic Resonance Imaging; D018457:Placenta, Retained / Q000175:diagnosis*; D011127:Polyps / Q000175:diagnosis* / Q000473:pathology; D011247:Pregnancy; D014592:Uterine Hemorrhage / Q000175:diagnosis