图 4.

锁骨上及纵隔淋巴结增大，经低剂量放疗后肿瘤无明显变化。A：双侧锁骨上淋巴结增大；B：纵隔淋巴结增大；C、D：经低剂量6 Gy/3 F放疗后肿瘤无明显变化；E：锁骨上及纵隔转移灶放疗靶区图（矢状位）。

Metastasis at the supraclavicular and mediastinal lymph nodes, and no significant change after low dose radiotherapy. A: Metastasis at the bilateral supraclavicular lymph nodes; B: Metastasis at the mediastinal lymph nodes; C, D: Tumor have no significant change after low dose radiotherapy with 6 Gy/3 F; E: Target volume of the supraclavicular and mediastinal lymph nodes (sagittal).