Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are normal . The right lung is clear . There is no pneumothorax or right pleural effusion . There is elevation of the left hemidiaphragm . There has been almost complete resolution of opacities in the left lower lung with residual linear opacities likely scarring . There is a tiny pleural effusion or pleural thickening on the left . The osseous structures are unremarkable
    OUTPUT:
    
No acute cardiopulmonary abnormalities Pleural thickening or tiny small left effusion and residual likely scarring in the left lower lung .