Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no focal consolidation or pneumothorax . There is no vascular congestion or pleural effusions . Mediastinal and hilar contours are within normal limits . Moderately severe cardiomegaly is unchanged compared to prior examination . An AICD generator overlies the left chest wall . The lead appears intact , terminating in the expected location of the right ventricle .
    OUTPUT:
    
Moderate - to - severe cardiomegaly consistent with history of known cardiomyopathy . No pulmonary edema , pleural effusion , or focal consolidation to suggest pneumonia .