Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Again seen are bilateral lung nodules with fiducial markers , not definitely changed . Associated distortion is seen in the right paramediastinal region is unchanged . Right basilar heterogeneous opacity has not significantly changed since the prior exams . Chronic blunting of the left costophrenic angle may be due to underlying effusion or scarring . Elsewhere , the lungs are grossly clear . Biapical right greater than left pleural thickening is again seen . The cardiomediastinal silhouette is enlarged . Surgical clips seen in the retrocardiac region and along the mediastinum . No acute osseous abnormality is identified .
    OUTPUT:
    
No definite acute cardiopulmonary process . Chronic changes as above , noting that right basilar opacity could potentially be infectious , although it is unchanged from prior .