Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are obtained . The lungs appear clear bilaterally without focal consolidation , effusion or pneumothorax . Cardiomediastinal silhouette appears normal . An old right seventh posterior rib deformity is unchanged . There is no free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .