Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are provided . Dual - lead AICD is in unchanged position . The pulmonary interstitial edema seen previously is minimally improved . No large effusion or pneumothorax is seen . Heart and mediastinal contour is stable . Bony structures are intact .
    OUTPUT:
    
Mild interstitial edema , mildly improved from prior exam .