AJCC Chapter Calculation
| Histology | AJCC ID | Description |
|---|---|---|
| 8000, 8010, 8020, 8052, 8070-8073, 8083, 8140, 8200 | 9 | Nasopharynx |
| 8001-8005, 8011-8015, 8021-8051, 8053-8060, 8074-8082, 8084-8131, 8141-8191, 8201-8700, 9700-9701 | XX | Other Nasopharynx |
| Histology | AJCC ID | Description |
|---|---|---|
| 8000, 8010, 8020, 8052, 8070-8073, 8083 | 9 | Nasopharynx |
| 8140, 8200 | 9 | Nasopharynx |
| 8001-8005, 8011-8015, 8021-8051, 8053-8060, 8074-8082, 8084-8131 | XX | Other Nasopharynx |
| 8141-8191, 8201-8700, 9700-9701 | XX | Other Nasopharynx |