CTCAE Grade 4 Photosensitivity

Life-threatening consequences; operative intervention requiring complete organ resection (e.g., total colectomy)

Life-threatening consequences; operative intervention with thoracoplasty, chronic open drainage or multiple thoracotomies indicated

Life-threatening airway compromise; tracheotomy or intubation indicated

Life-threatening consequences; operative intervention requiring complete organ resection (e.g., total colectomy)

Symptoms associated with life-threatening consequences