Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright view of the chest demonstrates normal lung volumes without pleural effusion , focal consolidation or pneumothorax . Previously noted pulmonary edema has resolved . The hilar and mediastinal silhouettes are unremarkable . Heart size is mildly enlarged . Partially imaged upper abdomen is unremarkable .
    OUTPUT:
    
Persistent cardiomegaly , otherwise normal .