title: [Ureteral invasion in recto-sigmoid cancer. Technical problems and possible solutions. Apropos of 2 cases].
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D009362:Neoplasm Metastasis; D019736:Prostheses and Implants; D012004:Rectal Neoplasms / Q000473:pathology / Q000601:surgery*; D012811:Sigmoid Neoplasms / Q000473:pathology / Q000601:surgery*; D014513:Ureter / Q000601:surgery; D014516:Ureteral Neoplasms / Q000473:pathology / Q000601:surgery*
vernacular_title: L'envahissement uretèral dans les cancers recto-sigmoïdiens. Problèmes techniques et solutions possibles. A propos de 2 observations