Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral chest radiographs . There is mild subsegmental atelectasis in the left lung base . There is no focal consolidation , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is normal . Orthopedic hardware in the proximal right humerus is partially imaged .
    OUTPUT:
    
No acute cardiopulmonary process .