CTCAE Grade 1 Pulmonary Vein Intra-Operative Injury

Asymptomatic without therapy

Minimal radiographic findings (or patchy or bi-basilar changes) with estimated radiographic proportion of total lung volume that is fibrotic of <25% …

Primary repair of injured organ/structure indicated

Mild or localized

1+ or 0.15 - 1.0 g/24 hrs

Asymptomatic, radiographic or endoscopic findings only