title: A COLLISION TUMOR OF THE KIDNEY; A CASE REPORT.
mesh_terms: D000230:Adenocarcinoma; D002294:Carcinoma, Squamous Cell; D006801:Humans; D007668:Kidney; D007680:Kidney Neoplasms; D007682:Kidney Pelvis; D007684:Kidney Tubules; D010336:Pathology
keywords: ADENOCARCINOMA; CARCINOMA, EPIDERMOID; KIDNEY NEOPLASMS; KIDNEY PELVIS; KIDNEY TUBULES; PATHOLOGY