Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest demonstrates low lung volumes . Moderate cardiomegaly is unchanged . Sternotomy wires and aortic valve prosthesis is in place . Perihilar vascular congestion and mild interstitial pulmonary edema is apparent . Hilar and mediastinal silhouettes are unremarkable . No pneumothorax . Moderate bilateral pleural effusions of ___ have resolved .
    OUTPUT:
    
1 . Moderate cardiomegaly , perihilar vascular congestion , and mild interstitial pulmonary edema . 2 . Moderate bilateral pleural effusions seen on ___ exam , have resolved .