In the renal pelvis / papilla an increased incidence or severity in transitional cell hyperplasia compared to control animals was observed .
In the renal pelvis / papilla an increased incidence or severity in transitional cell hyperplasia compared to control animals was observed .
O O B-SPECIMEN I-SPECIMEN O B-SPECIMEN O B-MANIFESTATION_FINDING O O O O B-FINDING I-FINDING I-FINDING O O O O O O O