Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP Portable chest radiograph . Mild interstitial edema with small left pleural effusion is unchanged to slightly worse . Mediastinal wideness is due to known mediastinal adenopathy . There is no pneumothorax . The heart contours are not well seen due to the above findings .
    OUTPUT:
    
Mild pulmonary edema , unchanged to slightly worse from ___ .