Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views obtained with patient in upright position . Comparison is made with the next preceding AP single view chest examination of ___ . The heart size is at the upper limit of normal variation . The heart configuration suggests a relative prominence of the left ventricular contour , a finding which in conjunction with the moderately widened and elongated thoracic aorta suggests the possibility of systemic hypertension . There is no acute pulmonary congestion . In the right hemithorax pleural thickenings are identified and seen to clear along the lateral chest wall . This coincides with the previously described local resection of the posterior aspect of the fourth rib related to previously performed tracheal reconstruction . These post-operative changes have not undergone any significant interval change . No pneumothorax is present . On the lateral view the posterior pleural sinuses are free from any free fluid , pleural effusion .
    OUTPUT:
    
Stable post-operative chest findings . No new acute infiltrates and no pneumothorax .