Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest was obtained . Increased opacity in the right hilum and the right medial lung base could represent consolidation , although an underlying mass is not excluded . Indistinct vascular markings is consistent with pulmonary vascular congestion . The heart size is normal . No pleural effusion or pneumothorax . No radiopaque foreign body .
    OUTPUT:
    
Pulmonary vascular congestion with increased right hilar and right medial lung base opacities , which may represent infection . An underlying mass is not excluded and repeat radiograph after treatment is recommended to assess for resolution .