Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Patient is status post median sternotomy and cardiac valve replacement . Dual lead left - sided pacemaker is seen with leads extending to the expected position of the right atrium and right ventricle . There may be minimal basilar atelectasis . No focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable and unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .