CTCAE Grade 1 Photophobia

Asymptomatic, clinical findings only

Asymptomatic radiographic findings only

Asymptomatic, radiographic findings only

Asymptomatic obstruction or stenosis on exam, endoscopy, or radiograph

Upper aerodigestive tract sites: Minimal symptoms, normal diet; minimal respiratory symptoms but not interfering with function Lower GI sites: Minimal discomfort, intervention…

Erythema of the mucosa