题目内容
直肠癌前后对穿野照射定位时，下界放在
2021-12-11
A.根据肿瘤下界距肛门口的距离而定
B.骶5水平
C.骶4上缘
D.坐骨上1cm
E.坐骨结节
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='29416' and id < 2395278 and id<>'2395278' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29416' and id > 2395278 and id<>'2395278' order by id asc limit 5