title: Argentaffin carcinoma arising in a sacrococcygeal teratoma.
mesh_terms: D000328:Adult; D002276:Carcinoid Tumor / Q000473:pathology*; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D012445:Sacrococcygeal Region / Q000473:pathology*; D013724:Teratoma / Q000473:pathology*