Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Linear scar versus atelectasis is again noted in the left mid lung . No focal consolidation to suggest the presence of pneumonia . No pleural effusion or pneumothorax is seen . Heart and mediastinal contour appear stable . Bony structures are intact . No free air below the right hemidiaphragm . Mild degenerative spurring in the mid and lower thoracic spine .
    OUTPUT:
    
No acute intrathoracic process .