Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of ___ chest . ___ lungs are clear where not obscured by overlying cardiac leads . ___ cardiomediastinal silhouette is within normal limits . No acute osseous abnormality detected . Lucency in ___ right upper quadrant is compatible with patient 's known pneumobilia .
    OUTPUT:
    
No acute cardiopulmonary process .