PMC6250912_01
Radiological change on CT after treatment of nivolumab in case 1. A. Chest CT at diagnosis which showed a large mass in mediastinal which disseminated to pericardium and right pleura. B. After treatment of nivolumab, the size of primary tumor in mediastinal was remarkably reduced and right pleural effusion almost disappeared.
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In December 2017, the patient began to receive the immunotherapy with nivolumab as a 2nd line regimen and after 5 cycles of it, radiological evaluation showed very well response to tumor in February 2018 (Fig. 1A and B).
PMC6250912_02
PMC6250912_03
PMC6250912_04