S21.3 - Open wound of front wall of thorax with penetration into thoracic cavity
S21.33 - Puncture wound without foreign body of front wall of thorax with penetration into thoracic cavity
S21.331 - Puncture wound without foreign body of right front wall of thorax with penetration into thoracic cavity
S21.332 - Puncture wound without foreign body of left front wall of thorax with penetration into thoracic cavity
S21.339 - Puncture wound without foreign body of unspecified front wall of thorax with penetration into thoracic cavity