Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are normal . Pulmonary vasculature is normal . Lungs appear clear . The previously noted patchy opacity within the right lower lobe seen on CT is not well visualized on the current exam . No pleural effusion or pneumothorax is present . Cervical spinal fusion hardware is partially imaged . Several clips are noted within the left upper quadrant of the abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Of note , the patchy opacity within the right lower lobe seen on prior CT is not visualized on the current radiograph .