Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is no focal consolidation , pulmonary vascular congestion , or pleural effusion . Heart size is enlarged compared to ___ years ago . Differential includes pericardial effusion versus cardiomyopathy . The mediastinal and hilar contours are normal .
    OUTPUT:
    
Cardiomegaly without pulmonary edema , differential includes pericardial effusion versus cardiomyopathy .