Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly decreased , and given this , there is an unchanged appearance to a basilar predominant edema and interstitial opacity superimposed upon emphysema , without significant pleural effusion , or pneumothorax . The cardiac silhouette remains mildly enlarged , mediastinal contours are unchanged without evidence of central venous engorgement .
    OUTPUT:
    
Given slight decrease in lung volumes , basilar prominent pulmonary edema and interstitial opacity is unchanged from ___ . Differential diagnosis is unchanged including atypical infection , acute interstitial pneumonitis , and is unlikely to be cardiogenic pulmonary edema .