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 and clear . The cardiac silhouette is not enlarged . The aorta is mildly tortuous . There is no evidence of pneumothorax , pulmonary edema , pleural effusion or focal consolidation concerning for pneumonia . There is no pneumomediastinum . No radiopaque foreign body is visualized on today 's study . Residual enteric contrast material is seen in the left upper quadrant , likely from recent barium esophogram , where there may be diverticulosis .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . No radiopaque foreign body is seen aside from retained likely oral contrast partially seen in the bowel .