Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior chest radiograph of ___ the lung volumes have improved in the previously seen mild pulmonary edema has resolved . No focal opacity concerning for pneumonia . No pleural effusion or pneumothorax The lungs are clear without focal opacity , pulmonary edema , pleural effusion or pneumothorax . The cardiac and mediastinal contours are normal .
    OUTPUT:
    
Compared to the prior chest radiograph of ___ the lung volumes have improved and the pulmonary edema has resolved . No focal opacity concerning for pneumonia .