Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate pacemaker leads in unchanged positions . There is no focal consolidation , pneumothorax , or pulmonary edema . Linear areas of opacification involving right mid lung zone are less conspicuous on current study and likely correspond to areas of atelectasis . The hilar and mediastinal silhouette are unchanged . Aortic arch calcifications are again seen . Anterior wedge deformities of the mid thoracic vertebral bodies appear longstanding .
    OUTPUT:
    
No acute cardiopulmonary process .