Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest compared to previous exam from ___ . The lungs remain clear . Cardiomediastinal silhouette is stable . Osseous and soft tissue structures are unremarkable . Note is made that the right costophrenic angle is excluded from the field of view .
    OUTPUT:
    
No acute cardiopulmonary process .