Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . There is evidence of an old rib fracture in the left fourth posterior rib . There is no focal consolidation , pleural effusion , or pneumothorax . There is persistent elevation of the right hemidiaphragm . The known left lower lobe pulmonary nodule is not as well seen on this study compared to chest CT from ___ . Three fiducial seeds are seen in the left lower lobe . Mediastinal and hilar contours demonstrate fibrotic changes in the paramediastinal lungs bilaterally again seen .
    OUTPUT:
    
No acute cardiopulmonary process .