Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral chest radiographs . Increased interstitial markings are more pronounced on the current exam , suggestive of mild interstitial edema . There is a small effusion on the right . Moderate cardiomegaly is chronic . There is no pneumothorax . Right basilar opacity likely reflects atelectasis .
    OUTPUT:
    
Mild interstitial edema , small right pleural effusion and right basilar atelectasis .