Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volume is small . Pulmonary edema has improved . Bilateral mid to lower lung opacities are unchanged . Bilateral atelectasis with pleural effusion are unchanged . Severe cardiomegaly and the mediastinum are unchanged . No pneumothorax . The spinal hardware is seen with no evidence of dated dehiscence .
    OUTPUT:
    
Improved pulmonary edema .