在下列病例中，预后相对较好的肾癌是（）
A.肾癌侵犯结肠
B.C为Ⅲ期。其中Ⅲa期为肾静脉和下腔静脉有癌栓；Ⅲb期为肾门淋巴结转移。如能行肾癌根治性切除并将肾静脉和下腔静脉的癌栓一并切除，其预后与Ⅱ期的肾癌相同，故在上述的病例中肾癌伴有肾静脉有癌栓的患者预后相对较好。
C.肾癌伴有肾静脉癌栓
D.肾癌伴有髂骨转移
E.肾癌伴肺转移
参考答案：C
解析：以Robson分期方法，A、D、E都属Ⅳ期；
| 完形填空。 | ||||
| After years of searching, the seeker was told to go to a cave, in which there was a well. "Ask the well what is 1 ", he was advised. Having 2 the well, the seeker asked the question. From the 3 came the answer: "Go to the village crossroad: there you shall find what you are 4 ." The man ran to the crossroad, only to find three rather small 5 . One was selling pieces of metal, another sold wood, and thin wires were for sale in the third. 6 seemed to have much to do with the truth. Disappointed, the seeker returned to the well to 7 an explanation, but he was told only: "You will 8 in the future." Angry about having been made fool of, the seeker 9 his wanderings in search of truth. As years went by, the 10 of his experience at the well 11 faded until one night, while he was walking in the moonlight, the sound of sitar (一种弦乐器) music 12 his heart. It was wonderful and it was played with great 13 . Deeply moved, the truth seeker felt drawn towards the player. He looked at the fingers dancing over the strings. He became 14 of the sitar itself. And then 15 he let out a cry of joyful recognition: the sitar was made out of wires and pieces of metal and wood just like those he had 16 seen in the three stores and had thought them to be without any particular significance. At last he understood the 17 of the well: we've already been given everything we need: our 18 is to assemble (装配) and use it in the proper way. Nothing is meaningful so long as we 19 only separate parts. But as soon as the parts 20 , a new entity (实体) will form. | ||||
|