An Extremely Rapid Case of Pneumonitis with the Use of Nivolumab for Pancreatic Adenocarcinoma

Figure 1

(a) Lung lesion histology (H&E, 200x); (b) cytokeratin-7 immunohistochemical stain; (c) immunohistochemical stain; (d) CA19-9 immunohistochemical stain (200x for all IHC stains).

(a)

(b)

(c)

(d)