Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest . Mild elevation of the right hemidiaphragm appears chronic and is accompanied by minimal adjacent right basilar atelectasis . Normal heart size . No pleural effusion or pneumothorax . Stable mediastinal and hilar contours . Multiple clips in the right upper quadrant are again seen .
    OUTPUT:
    
No evidence of pneumonia .