Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal . An 8 x 4 mm rectangular opacity in the right hilus projects over the setting pulmonary artery and is of uncertain etiology . The imaged upper abdomen is unremarkable . The bones are intact .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . 8 x 4 mm rectangular dense opacity over the right hilus for which repeat imaging with shallow oblique films is recommended .