Normal paraganglion in the mesosigmoid.
D000230:Adenocarcinoma / Q000473:pathology / Q000601:surgery; D006801:Humans; D008297:Male; D008646:Mesocolon / Q000473:pathology*; D008875:Middle Aged; D010234:Paraganglia, Nonchromaffin / Q000473:pathology*; D012004:Rectal Neoplasms / Q000473:pathology / Q000601:surgery