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. 2018 Mar 20;18:302. doi: 10.1186/s12885-018-4212-1

Fig. 1.

Fig. 1

Radiographic results before and after ICP inhibitors. The CT scan shows the primary lesion in the right upper lobe before the first-line ICP inhibitor (a), SD after 2 months accompanied by alveolitis (c, d), and enlarged after 4 months (b). After the failure of five lines of chemotherapy (e), the primary lesion responded to 3 cycles of nivolumab (f)