60.臨床放射治療中，下列何種技術不適用於內乳淋巴腺（internal mammary nodes）的照射？
(A)extended tangent fields
(B)matching electron/photon fields
(C)three-field dual isocenter technique
(D)partially wide tangent fields

內乳淋巴腺照射技術辨析【解析】核心...