Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are hyperinflated . Lungs are clear of consolidation , pleural effusion or pneumothorax . Soft tissue prominence at the right cardiophrenic angle has remained unchanged since the earliest available chest radiograph on ___ . This finding is usually due to mediastinal fat , or occasionally a pericardial cyst . Heart size is top - normal . Mediastinal contours are normal . No acute osseous abnormalities are identified .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Right cardiophrenic soft tissue prominence may be due to mediastinal fat or a pericardial cyst . There is no reason to pursue additional imaging , unless lymphadenopathy is suspected clinically .