Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Biapical pleural parenchymal scarring noted . Lungs are clear without focal consolidation , large effusion or pneumothorax . The heart is top - normal in size . Aorta is unfolded . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .