Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Left chest wall pacer device is again seen with lead tips extending to the region of the right atrium and right ventricle , unchanged . Calcifications in the lung apices are again noted which has been unchanged from ___ . There is no focal consolidation , effusion or pneumothorax . No signs of congestive heart failure or pulmonary edema . The heart and mediastinal contour appear stable . Aorta is mildly calcified and unfolded . The imaged bony structures are notable for degenerative disc disease in the mid thoracic spine . There is no free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .