Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are fully expanded and clear . No pleural abnormalities . Moderate cardiomegaly is unchanged . Cardiomediastinal and hilar silhouettes are unchanged . Bilateral superior subluxation of the humeral heads with associated degenerative changes likely reflect chronic rotator cuff pathology .
    OUTPUT:
    
No acute cardiopulmonary abnormality .