Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Per the radiology technologist , patient was unable to get arms up for lateral views . There is evidence of a large hiatal hernia and retrocardiac lucencies seen and opacity is seen , with adjacent left base atelectasis . Overall , lung volumes are low . There is patchy right base opacity which could be due to infection or aspiration . Left base retrocardiac opacity may relate to hiatal hernia though underlying consolidation at this location is not excluded . Very trace pleural effusions would be difficult to exclude . There is no pneumothorax . Mild prominence of interstitial marking may relate to chronic pulmonary disease .
    OUTPUT:
    
1 . Large hiatal hernia with adjacent atelectasis . 2 . Patchy right base opacity is concerning for infection and / or aspiration . Recommend followup to resolution . 3 . Left base retrocardiac opacity may relate to hiatal hernia , although additional site of consolidation is not excluded . 4 . Difficult to exclude small bilateral pleural effusions .