Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Hardware is noted in the T - spine with a vertebral body spacer device . Lung volumes are low though overall lungs are clear with stable linear opacities in the right mid lung and left lower lung . No definite sign of pneumonia or CHF . No pleural effusion or pneumothorax . Heart and mediastinal contours are stable . Bony structures appear grossly intact .
    OUTPUT:
    
No acute intrathoracic process .