Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrates no focal consolidation convincing for pneumonia . Cardiomediastinal and hilar contours are stable in appearance when compared to prior study dated ___ . The heart is moderately enlarged . Stable linear scarring or atelectasis in the right base . The trachea is deviated to the right secondary to a tortuous aorta . Eventration of the right hemidiaphragm is noted . Additional note is made of multilevel degenerative changes throughout the thoracic spine . Right posterior sixth rib markedly diminutive as on prior exam .
    OUTPUT:
    
No evidence of pneumonia . Stable cardiomegaly .