Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained . Moderate right basilar atelectasis is similar . The left lung is well inflated . Ground - glass opacification in the right lower and middle lobes has improved since prior exam of ___ and significantly improved since ___ . No pneumothorax is present . Cardiac and mediastinal contours are normal .
    OUTPUT:
    
Improved aeration of the right lower and middle lobes with persistent ground - glass opacity . Suggest continued chest x-ray followup in one month to evaluate for continued evolution .