Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation , effusions , or congestion . The cardiomediastinal silhouette is within normal limits for technique . Chronic degenerative change seen at the left shoulder with large osteophytes of the humeral head . Widening of the right AC joint appears chronic .
    OUTPUT:
    
No acute cardiopulmonary process .