
A.1
B.2
C.3
D.4
[单选题]A.1B.2C.3D.4
[单选题]A.1B.2C.3D.4
[单选题]A.1B.2C.3D.4
[单选题]A.1B.2C.3D.4
[单选题]A.1B.2C.3D.4
[单选题]A.1B.2C.3D.4
[单选题]A.1B.2C.3D.4
[单选题]A.1B.2C.3D.4
[单选题]A.1B.2C.3D.4
[单选题]A.颈部淋巴结区域可不行预防照射,定期观察B.颈部预防性照射C.颈部预防性照射,放疗后行淋巴结清扫D.仅需预防照射同侧颌下、颈深上、二腹肌及颏下淋巴结