Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two frontal images of the chest demonstrate well - expanded lungs with no evidence of pneumothorax or pleural effusion . Interval chest tube placement noted . There is no elevation in either hemidiaphragm . Previously identified mass in the right lower lobe is no longer visible , status post lobectomy . There appears to be no volume loss on the right after surgery . There is subcutaneous gas on the right side of the body adjacent to the diaphragm .
    OUTPUT:
    
Previously visualized mass now resected via lobectomy without significant apparent lung volume loss . No pneumothorax or other complication seen on this exam .