Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no evidence of a pneumothorax . Since the prior radiograph , there has been mild decrease in the pulmonary vascular congestion and interstitial edema . At the right base , is a small hazy opacity , either atelectasis or a developing pneumonia . The cardiomediastinal silhouette is normal . There is no cardiomegaly .
    OUTPUT:
    
1 . No evidence of pneumothorax . 2 . Right basal atelectasis or developing pneumonia . Results were discussed with the resident taking care of the patient at 12 p .m . on ___ via telephone by Dr . ___ .