Target sign of the lung

Abstract

Key message 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