Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral radiographs of the chest demonstrate right lower lobe scarring and pleural calcifications . Blunting of the right costophrenic angle may be due to scarring or small persistent chronic effusion . There is no focal airspace opacity . There is stable mild cardiomegaly . Median sternotomy cerclage wires are intact and there are multiple surgical clips in the anterior mediastinum . There is no pneumothorax or left pleural effusion . Pulmonary vascularity is normal .
    OUTPUT:
    
1 . No evidence of acute cardiopulmonary process . 2 . Scarring in the right lower lobe , pleural calcifications , chronic pleural effusion / bluting of the right costophrenic angle appear to be a chronic process .