Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral images of the chest were obtained . Dual - lead cardiac pacer is seen with leads ending in the right and left atrium . The cardiacmediastinal silhouette is normal in size . A tube is seen extending over the upper mid abdomen . The lungs are clear without evidence of focal consolidation or congestive heart failure . There is no pleural effusion or pneumothorax . There are no bony abnormalities . There is no free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .