Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Lower lung volumes seen on the current exam . Streaky left basilar opacities are most likely due to atelectasis . Elsewhere , the lungs are clear . There is no pleural effusion . Cardiomediastinal silhouette is likely within normal limits given low inspiratory effort . Surgical clips project over the right axilla . Surgical clip seen in the right upper quadrant . Multiple air - fluid levels identified in the abdomen ; however , there is no free intraperitoneal air .
    OUTPUT:
    
No definite acute cardiopulmonary process given limitation of low lung volumes . Air-fluid levels identified within the abdomen raising possibility of obstruction . No free intraperitoneal air .