title: RARE MALIGNANT TUMOURS OF THE RECTUM.
mesh_terms: D006801:Humans; D008545:Melanoma; D009362:Neoplasm Metastasis; D009369:Neoplasms; D010336:Pathology; D011379:Prognosis; D012004:Rectal Neoplasms; D012007:Rectum
keywords: MELANOMA; NEOPLASM METASTASIS; PATHOLOGY; PROGNOSIS; RECTAL NEOPLASMS