Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate low lung volumes , but no focal consolidation , pleural effusion , or pneumothorax . The heart size is top normal . There is a moderate hiatal hernia . The cardiac , hilar , mediastinal contours are normal .
    OUTPUT:
    
No acute cardiopulmonary process . Findings were discussed with Dr . ___ .