Ureteral compression due to metastasis from carcinoma of sigmoid.
D012809:Colon, Sigmoid; D003110:Colonic Neoplasms; D004194:Disease; D006801:Humans; D009369:Neoplasms; D014513:Ureter; D014515:Ureteral Diseases
COLON/neoplasms; URETERS/diseases