Concealed umbilical hernia: Papez's concept of so-called paraduodenal hernia.
D000368:Aged; D004240:Diverticulum / Q000473:pathology*; D006554:Hernia, Umbilical / Q000473:pathology*; D006801:Humans; D008297:Male; D010529:Peritoneal Cavity / Q000473:pathology*