title: [Flank edema as a sign of retroperitoneal abscess].
mesh_terms: D000005:Abdomen; D000038:Abscess / Q000175:diagnosis*; D000328:Adult; D003937:Diagnosis, Differential; D004487:Edema / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012187:Retroperitoneal Space