of 48 canine primary renal neoplasms found in the files of the armed forces institute of pathology , 36 were of tubular cell origin ( five adenomas and 31 carcinomas ) , six of transitional cell origin ( two papillomas and four carcinomas ) , two were nephroblastomas and four were nonepithelial .
C0022665
renal neoplasms
C0027708
nephroblastomas