Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is persistent nodular opacity projecting over the heart on lateral view . The opacity in the right lung base remains visible , although less conspicuous compared to ___ . There is no pleural effusion or pneumothorax . Cardiomediastinal silhouette is normal size .
    OUTPUT:
    
Persistent nodular opacity projecting over the heart on the lateral view . CT is recommended for better evaluation .