Figure 1.

Examples of different drug-related pneumonitis computed tomography imaging findings. A patient with metastatic lung cancer treated with off-label use of fam-trastuzumab deruxtecan after two cycles (A) and after six cycles (B) with new peripheral infiltrates (arrow) and pleural effusion (asterisk). A patient with metastatic breast cancer on treatment with exemestane and ribociclib with imaging prior to ribociclib (C) and after 4 months (D). Bilateral diffuse ground glass changes noted (arrowheads) with hypoxic respiratory insufficiency.