A.5% B.20% C.50% D.80% E.95%
A.10~20% B.30~50% C.60~70% D.>70% E.以上都不對
A.直腸癌 B.乳腺癌 C.肺鱗癌 D.小細(xì)胞肺癌 E.肝癌