A Histologically Complete Response to Immunotherapy Using Pembrolizumab in a Patient with Giant Cell Carcinoma of the Lung: An Additional Report and Literature Review

Figure 2

Pathological images taken with a microscope are shown in low (a) and high (b) magnifications. No residual cancer cells existed in the primary resected lung site. Instead, scar formation and an infiltration of mononuclear cells and foamy macrophages were observed.

(a)

(b)