Grade 4 Pulmonary Fibrosis, CTCAE

**Semantic type:** Finding

**Definition:** Life-threatening consequences (e.g., hemodynamic/pulmonary complications); intubation with ventilatory support indicated; radiographic pulmonary fibrosis >75% with severe honeycombing

**Synonyms:** - Grade 4 Pulmonary fibrosis - Grade 4 Pulmonary fibrosis