Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The lungs are clear . There is no evidence of pneumothorax . There is no focal consolidation or definite effusion noting that the right posterior costophrenic angle is excluded from the view on the lateral exam . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormality is identified noting hypertrophic changes in the thoracic spine .
    OUTPUT:
    
No pneumothorax . No acute cardiopulmonary process .