Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP view of the chest provided . Mild to moderate pulmonary edema is unchanged . No pneumothorax . Moderate left pleural effusion is worsened .
    OUTPUT:
    
1 . The course of the nasogastric tube is normal . The tip is difficult to visualize , however likely projects over the proximal stomach . 2 . Mild to moderate pulmonary edema is unchanged . Moderate left pleural effusion is worsened .