Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are provided . Linear densities in the right and left mid lung are stable and likely reflect areas of scarring . No focal consolidation , effusion , or pneumothorax is seen . The heart size is within normal limits . The mediastinal contour is stable . The bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .