title: A plea for conservative operation for ureteral tumors.
mesh_terms: D007839:Functional Laterality; D006801:Humans; D007680:Kidney Neoplasms / Q000453:epidemiology / Q000601:surgery; D008722:Methods; D009392:Nephrectomy; D009393:Nephritis / Q000453:epidemiology; D014516:Ureteral Neoplasms / Q000453:epidemiology / Q000601:surgery*; D014877:Water Pollution, Chemical; D015022:Yugoslavia