Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate well - expanded lungs . There is no focal consolidation . Heart is mildly enlarged . Cardiomediastinal contours are unremarkable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Mild cardiomegaly . 2 . No evidence of pneumonia .