Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No free air is seen under the diaphragm . The right central venous line ends in the right atrium . Heart size and mediastinum are stable . Overall no interval development of pulmonary edema or pleural effusion . There is no pneumothorax .
    OUTPUT:
    
Although free air is not seen on at the diaphragm , PA and lateral films are recommended to confirm .