Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate the lungs are well expanded , with no evidence of pneumothorax , overt pulmonary edema , or focal consolidation concerning for pneumonia . Coarse interstitial markings are noted bilaterally . The mediastinum is shifted towards the right , likely due to known history of transposition of the great vessels , status post repair . Multiple surgical clips are noted in the left upper quadrant , presumably from prior gastroesophageal hernia repair .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Interstitial opacities at the lung bases may reflect atelectasis or chronic changes .