Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Decreased lung volumes leads to crowding of the bronchovascular structures . Allowing for differences in technique and projection , mild cardiomegaly is unchanged . There is mild central pulmonary vascular congestion without frank interstitial pulmonary edema . No lobar consolidation , pleural effusion , or pneumothorax is identified .
    OUTPUT:
    
Low lung volumes with mild cardiomegaly and mild central pulmonary vascular congestion .