Fig. 1.

A March, B April, C July, D October, and E December 2013: Tumor size gradually decreased with period chemotherapy evaluated by chest computed tomography (CT) during periodic reviews, indicating remission of the primary thymic tumor. F December 2014: Bone metastasis along with bone destruction evaluated by hip bone CT, indicating tumor progression. G May, H November, 2015, I April 2016: Tumor size decreased with adjusted chemotherapy evaluated by chest CT, indicating partial tumor response.