Nonsmall Cell Lung Carcinoma with Giant Cell Features Expressing Programmed Death-Ligand 1: A Report of a Patient Successfully Treated with Pembrolizumab

Figure 3

Diameters of the primary tumor before starting treatment with pembrolizumab (a and d), and after two (b and e) and four (c and f) cycles of treatment.

(a)

(b)

(c)

(d)

(e)

(f)