Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior examination , interstitial pulmonary edema is resolved . There are no focal opacities concerning for pneumonia . There is a trace left pleural effusion . There is no right effusion . There is no evidence of pneumothorax . The cardiomediastinal and hilar contours are stable demonstrating mild tortuosity of thoracic aorta and cardiomegaly . Pulmonary vascularity is within normal limits .
    OUTPUT:
    
1 . No evidence of focal pneumonia . 2 . Interval resolution of interstitial pulmonary edema .