A target sign of the lung consists of a ring-like opacity and a central nodular opacity and has been limited to reports associated with SARS-CoV-2 infection or organizing pneumonia. This is the first report of a target sign that was potentially associated with drug-induced lung injury.
Keywords: chemotherapy; drug‐induced lung injury; lung cancer; pembrolizumab; target sign.
© 2024 The Authors. Respirology Case Reports published by John Wiley & Sons Australia, Ltd on behalf of The Asian Pacific Society of Respirology.