Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright portable view of the chest is obtained . Midline tracheostomy is seen . No focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable and unremarkable . There has been interval removal of a right - sided central venous catheter .
    OUTPUT:
    
No acute cardiopulmonary process .