Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient 's condition required examination in sitting upright position using AP frontal and left lateral views . Comparison is made with the next preceding postoperative supine chest examination of ___ . Heart size suggests mild enlargement but not significantly different from what has been identified on the preoperative chest examination of ___ . Thoracic aorta unchanged . The pulmonary vasculature is not congested , and the lateral and posterior pleural sinuses are free from any major fluid accumulations . No pneumothorax is identified in the apical area on the frontal view . A right - sided internal jugular approach central venous line is present and seen to terminate overlying the right - sided mediastinal structures at the level 2 cm below the carina . This is compatible with the mid portion of the SVC . No pneumothorax has developed . No new parenchymal infiltrates are present . A local thickening of the minor fissure is noted , but such finding existed already on the next preceding postoperative supine examination .
    OUTPUT:
    
Stable postoperative findings , no evidence of new acute CHF or new infiltrates . No pneumothorax .