Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest radiograph ___ at 10 :22 is submitted .
    OUTPUT:
    
Cardiac mediastinal contours are stable in this patient status post right upper lobectomy . No pneumothorax is seen . Lungs appear well inflated without evidence of focal airspace consolidation , pleural effusions or pulmonary edema . There is some flattening of the right hemidiaphragm which may be postoperative given the volume loss in the right hemithorax .