Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest PA and lateral radiograph demonstrates unremarkable cardiomediastinal and hilar contours . PICC line is identified , terminating in the cavoatrial junction . Opacification in the right middle lobe likely represents bronchovascular structures exagerrated by rotation . No pleural effusion or pneumothorax identified . Degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary process .