Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . When compared to prior , there has been significant interval improvement in the previously seen right lower lobe opacity with some persisten residual opacity in the superior segment of the right lower lobe . Linear opacity in the left upper lung is unchanged . There is more conspicuous patchy with somewhat linear components of opacity at the left lung base . Blunting of the right lateral costophrenic angle may be due to pleural thickening or scarring . Cardiomediastinal silhouette is unchanged denoting a tortuous thoracic aorta . Post - thoracotomy changes are identified of the left chest wall .
    OUTPUT:
    
Interval improvement of opacity in the right lower lung which still persists in the superior segment of the right lower lobe . Lingular linear and patchy opacities which are more conspicuous from prior .