Retrorectal paraganglioma with metastasis.
D006801:Humans; D009369:Neoplasms; D010190:Pancreatic Neoplasms; D010235:Paraganglioma; D010673:Pheochromocytoma; D012004:Rectal Neoplasms; D012007:Rectum
RECTUM/tumor; TUMORS/chromaffinoma