Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bedside AP radiograph of the chest demonstrates interval improvement in the extent of pulmonary edema with stable small bilateral pleural effusions . The azygos vein and mediastinal vessels remain engorged , consistent with persistent hypervolemia . The lungs are clear . The cardiomediastinal contours are normal . There is no pneumothorax . The endotracheal tube terminates no less than 5 cm above the carina . An orogastric tube courses into the stomach and inferiorly out of field of view .
    OUTPUT:
    
Decompensated congestive heart failure with interval improvement in pulmonary edema , but persistent bilateral pleural effusions and hypervolemia .