Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . Persistent opacity of the right heart border is most likely accounted for by known internal mammary necrotic lymph nodes and appears slightly larger . Left lower lobe parenchymal opacity is unchanged . There is no new pulmonary opacity . Thickening of the left paratracheal stripe with narrowing and rightward deviation of the trachea is unchanged . Left hilar lymphadenopathy appears grossly stable . There is no pleural effusion or pneumothorax . Heart size is normal .
    OUTPUT:
    
Opacity over the heart border likely accounted for by known necrotic internal mammary lymph nodes could be slightly larger . There is no evidence of pneumonia .