title: Duodenal metastasis from a malignant poroma.
mesh_terms: D004379:Duodenal Neoplasms / Q000556:secondary*; D005834:Genital Neoplasms, Male / Q000473:pathology*; D006119:Groin / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009375:Neoplasms, Glandular and Epithelial / Q000556:secondary*