Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were reviewed . The cardiomediastinal and hilar contours are unremarkable . RCA stent is noted . There is no pleural effusion or pneumothorax . Flattened hemidiaphragms with widened AP diameter are consistent with emphysematous changes . Extensive parenchymal opacities with distortion in both apices and chain sutures in the right upper lobe are reflective of known malignancy and post treatment changes . There is no focal consolidation concerning for pneumonia . There is no pulmonary edema .
    OUTPUT:
    
No acute process in a patient with known non-small cell lung cancer with extensive post treatment changes and emphysema .