Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate well expanded , clear lungs . There is persistent elevation of the right hemidiaphragm . Right hilar opacity and consistent with known lesion in the superior segment of the right lower lobe . Radiation changes are present within the mediastinum . There is no pneumothorax , pleural effusion , or consolidation .
    OUTPUT:
    
No acute cardiopulmonary process .