Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior study , there is little change in the postoperative appearance after right upper lobectomy . Prominence of the central pulmonary vessel is compatible with prior known history of pulmonary hypertension . No focal consolidation concerning for pneumonia .
    OUTPUT:
    
No focal consolidation concerning for pneumonia . Patient is post right upper lobectomy . Unchanged findings of pulmonary arterial hypertension .