Table 1.

Common Terminology Criteria for Adverse Events classification of drug-induced pneumonitis adverse events^[8]

Grade	Severity	Clinical Findings
1	Asymptomatic	Asymptomatic, only radiographic findings
2	Symptomatic	Symptomatic, able to perform activities of daily living
3	Severe symptoms	Symptomatic, unable to perform activities of daily living or requiring oxygen supplementation
4	Life-threatening respiratory compromise	Life-threatening or ventilator support required
5	Death related to adverse event