Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Since prior there has been resolution of the right anterior pleural - based density which was likely a hematoma . Biapical scarring right greater than left is again seen . The lungs are otherwise clear . Cardiomediastinal silhouette is unchanged . Osseous structures demonstrate no acute abnormality . Presumed coils seen in the anterior chest wall .
    OUTPUT:
    
No acute cardiopulmonary process .