Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided Port - A - Cath tip terminates in the proximal right atrium , unchanged . Tracheostomy tube tip also terminates in unchanged position . Mild enlargement of the cardiac silhouette is similar . The mediastinal and hilar contours are normal . Pulmonary vasculature is not engorged . Lungs are clear without focal consolidation , pleural effusion or pneumothorax . Diffuse gaseous distention of colonic bowel loops within the upper abdomen is re - demonstrated . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .