S21.35 - Open bite of front wall of thorax with penetration into thoracic cavity S21.3 - Open wound of front wall of thorax with penetration into thoracic cavity S21.35 - Open bite of front wall of thorax with penetration into thoracic cavity S21.351 - Open bite of right front wall of thorax with penetration into thoracic cavity S21.352 - Open bite of left front wall of thorax with penetration into thoracic cavity S21.359 - Open bite of unspecified front wall of thorax with penetration into thoracic cavity