the presence of epidermal-growth-factor ( egf ) receptors in normal and neoplastic human urothelium was studied in 12 control patients and in 48 patients with transitional cell carcinoma of the bladder , 24 with invasive ( pt3 ) and 24 with superficial tumours ( 9 pt1 , 15 pta ) .
C0227598
urothelium
C0279680
transitional cell carcinoma of the bladder