four animals with s. haematobium plus bbn treatment developed in situ carcinoma in the bladder ( 3 latent adenomatous lesions and 1 more advanced papillary tumour ) and 2 of these animals plus 1 other had slightly dysplastic urothelial endophytic papillary growths of the ureter which penetrated the muscle layer .
C0005682
bladder
C0225358
muscle layer