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右肺下叶转移灶经立体定向放疗后肿瘤较前进展。A：右肺下叶新发转移灶；B：经30 Gy/3 F放疗后肿瘤较前增大；C：右肺下叶转移灶放疗靶区图（冠状位）；D：右肺下叶转移灶放疗靶区图（矢状位）。
Metastasis at the inferior lobe of right lung, and tumor progression after SBRT. A: Metastasis at inferior lobe of right lung; B: Tumor progressed after SBRT radiotherapy with 30 Gy/3 F; C: Target volume of the tumor at the inferior lobe of right lung (coronal); D: Target volume of the tumor at the inferior lobe of right lung (sagittal). SBRT: stereotactic body radiation therapy.
