Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . The lungs appear clear bilaterally without definite signs of pneumonia or CHF . No large effusions or pneumothorax . Cardiomediastinal silhouette appears normal . Bony structures are intact . There is no free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .