例句與造句

1. Results : 15 cases of patients were diagnosed as primary ureteral carcinoma by b - ultrasonography , intravenous pyelogram ( ivp ) , cystoscopy and retrograde urography , ct , mri , ureteroscopy before operation . all of the patients were proved to be transitional cell carcinoma by pathological examination after operation
   結(jié)果：術(shù)前15例患者經(jīng)b超、靜脈腎盂造影、膀胱鏡及逆行腎盂輸尿管造影、輸尿管鏡等檢查診斷為原發(fā)性檢尿管癌。
2. It's difficult to find retrograde urography in a sentence. 用retrograde urography造句挺難的