A bronchial carcinoid having low serotonin concentration.
D000328:Adult; D001984:Bronchial Neoplasms / Q000378:metabolism / Q000473:pathology*; D002276:Carcinoid Tumor / Q000378:metabolism / Q000473:pathology*; D002838:Chromaffin System / Q000473:pathology*; D003594:Cytoplasmic Granules; D006651:Histocytochemistry; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D012701:Serotonin / Q000032:analysis*
D012701:Serotonin