Fig. 1From: Primary adenocarcinoma of renal pelvis or ureter: an uncommon histopathological entity seen in three casesa Contrast-Enhanced computed tomography shows right grossly hydronephrotic kidney with thin cortex and non-excreting right kidney on delayed film. b Resected nephrectomy specimen showing gelatinous polypoidal material inside calyx. c Microscopic section displaying proliferation of atypical columnar epithelial cells with multiple acini and few papillary frondsBack to article page