Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs are grossly clear . Costophrenic angles are obscured , likely due to overlying soft tissues . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormality is identified .
    OUTPUT:
    
No definite acute cardiopulmonary process .