“…associated with noncutaneous immune-related adverse events, and cutaneous reactions frequently preceded the development of systemic manifestations, serving as a clinical biomarker to provide prognostic information. 15 A review of 95 patients found that spongiotic and lichenoid interface reactions were associated with decreased mortality rates, whereas vacuolar interface and perivascular dermatitis were associated with increased mortality. 16 As with severe cutaneous adverse events, dermatology input has been critical for accurately phenotyping and risk stratifying these novel reactions.…”