Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are normal . There is pulmonary vascular engorgement with ___ B - lines , consistent with mild interstitial pulmonary edema . There is no focal consolidation , large pleural effusion or pneumothorax . Mediastinal contour is normal . Cardiomegaly is mild . Mild mediastinal widening is unchanged .
    OUTPUT:
    
Mild cardiomegaly , pulmonary vascular congestion and mild interstitial pulmonary edema .