Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Dual - chamber pacemaker and aortic valve are in stable position . Sternal wires are intact . Right upper extremity PICC line terminates at the superior cavoatrial junction . There is slight elevation of the right hemidiaphragm , and seen on prior studies . No definite parenchymal consolidation . No pleural effusion or pneumothorax . Heart size is mildly enlarged .
    OUTPUT:
    
1 . Right upper extremity PICC line terminates at the superior cavoatrial junction . 2 . Stable cardiomegaly . 3 . No definite evidence of pneumonia .