Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal with mild tortuosity of the thoracic aorta . Right apical fibrosis and paramediastinal fibrosis is unchanged from prior examination , compatible with post-radiative changes . The lungs are otherwise clear without new opacity . Likely small chronic pleural effusion . Pleural spaces are otherwise clear without pneumothorax . Old multiple right sided rib deformities .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Stable paramediastinal fibrosis .