Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided port terminates at the cavoatrial junction . Coarse reticular opacities have increased throughout the lungs , most severe inferiorly . There is also thickening of the right minor fissure and possible small left effusion . Moderate cardiomegaly is slightly worse . No pneumothorax .
    OUTPUT:
    
Acute reticular opacities could be pulmonary edema . Suggest radiographs after diuresis to see if the process is some other interstitial pulmonary abnormality instead .