Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Exam is limited with patient 's face overlying the left lung apex and relatively low lung volumes . Where seen , the lungs are clear . There is no effusion or large consolidation . Cardiomediastinal silhouette is within normal limits . Of note , the colon is seen projecting below the right hemidiaphragm .
    OUTPUT:
    
No acute cardiopulmonary process .