Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Underinflation of the lungs makes it difficult to say whether interstitial abnormality is present . There is no mediastinal venous engorgement , cardiomegaly , or pleural effusion so I doubt that pulmonary edema is present . The mediastinal , and hilar contours are normal .
    OUTPUT:
    
Suggest repeat radiographs it deeper inspiration to determine if the mild interstitial pulmonary abnormality is present . This is unlikely to be pulmonary edema and its chronicity is indeterminate .