Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided Port - A - Cath terminates in the cavoatrial junction without evidence of pneumothorax . Midline tracheostomy tube is re - demonstrated . No focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable and unremarkable . No overt pulmonary edema is seen . Gaseous distention of colon is partially imaged .
    OUTPUT:
    
No acute cardiopulmonary process .