Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Pulmonary vascular markings are diffusely increased with prominent septal markings , suggestive of mild edema . No new focal consolidation is identified . Chronic opacity at the left costophrenic angle is similar to prior and consistent with a combination of loculated effusion and atelectasis . Rounded opacity projecting posteriorly over the thoracic spine is also similar to prior and consistent with round atelectasis . No pneumothorax . The heart is mildly enlarged . Cardiomediastinal contours are otherwise unremarkable . Chronic left clavicular and left rib fractures .
    OUTPUT:
    
Mild cardiomegaly with probable mild pulmonary edema . No new focal lung consolidation . Chronic loculated left pleural effusion and rounded atelectasis .