Neoplasm, neoplastic: fossa (of)
| Site | Malignant, Primary | Malignant, Secondary | Ca in situ | Benign | Uncertain Behavior | Unspecified Behavior |
|---|---|---|---|---|---|---|
| — | — | — | — | — | — | — |
| anterior (cranial) | C71.9 | C79.31 | — | D33.2 | D43.2 | D49.6 |
| cranial | C71.9 | C79.31 | — | D33.2 | D43.2 | D49.6 |
| ischiorectal | C76.3 | C79.89 | D09.8 | D36.7 | D48.7 | D49.89 |
| middle (cranial) | C71.9 | C79.31 | — | D33.2 | D43.2 | D49.6 |
| piriform | C12 | C79.89 | D00.08 | D10.7 | D37.05 | D49.0 |
| pituitary | C75.1 | C79.89 | D09.3 | D35.2 | D44.3 | D49.7 |
| posterior (cranial) | C71.9 | C79.31 | — | D33.2 | D43.2 | D49.6 |
| pterygoid | C49.0 | C79.89 | — | D21.0 | D48.1- | D49.2 |
| pyriform | C12 | C79.89 | D00.08 | D10.7 | D37.05 | D49.0 |
| Rosenmuller | C11.2 | C79.89 | D00.08 | D10.6 | D37.05 | D49.0 |
| tonsillar | C09.0 | C79.89 | D00.08 | D10.5 | D37.05 | D49.0 |