Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear . There is no focal consolidation , pleural effusion , or pneumothorax . Heart size is moderately enlarged , but stable . Osseous structures are intact , however the posterior aspects of the ribs were excluded on the lateral view .
    OUTPUT:
    
Stable moderate cardiomegaly . No evidence of pneumonia .