Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left Port - A - Cath terminates in the mid SVC . The lungs are well expanded . There is a retrocardiac opacity that is not well localized on the frontal view , but which could be an area of developing pneumonia in the right clinical setting . There is a small right pleural effusion . There is no left pleural effusion or pneumothorax . The cardiomediastinal silhouette is unremarkable .
    OUTPUT:
    
1 . Retrocardiac opacity , not well localized on the frontal view , which could be an area of developing pneumonia in the right clinical setting . 2 . Small right pleural effusion .