Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate normal lung volumes . There is no pleural effusion , focal consolidation , or pneumothorax . Moderate cardiomegaly is unchanged . Hilar and mediastinal silhouettes are stable . Aortic arch calcifications are noted . Descending aorta appears tortuous . There is perihilar vascular congestion . Interstitial pulmonary edema seen on prior exam has improved . Partially imaged upper abdomen is unremarkable .
    OUTPUT:
    
Moderate cardiomegaly and perihilar vascular congestion . Mild interstitial edema seen on prior exam has improved . No focal consolidation .