Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral chest radiographs provided . Cardiomegaly is massive . Hilar congestion and mild to moderate pulmonary edema noted . Tiny bilateral pleural effusions are present . There is a chronic appearing retrocardiac opacity likely representing chronic atelectasis as seen on prior imaging studies . No pneumothorax is seen . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
Massive cardiomegaly , moderate pulmonary edema , tiny bilateral effusions with chronic atelectasis in the left lower lobe .