Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest has been obtained with patient in upright position . There is now status post thoracotomy with multiple c ircular surgical wires in the midline . Heart size unchanged considering differences in technique in comparison with the previous PA and lateral examination ___ ___ . Observed is a change in cardiac configuration resulting in a lesser prominence of the pulmonary artery segment on the frontal view . This can be explained by the thymoma extirpation has taken place . Lungs remain normally ventilated . Bilateral chest tubes are in place , advanced from below in the midline and reaching the lateral posterior pleural sinus , bilateral . No pleural effusion of any significant magnitude is present and no pneumothorax is identified in the apical area .
    OUTPUT:
    
Satisfactory first post-operative chest findings .