C11..3 Malignant neoplasm of anterior wall of nasopharynx

Includes

• Malignant neoplasm of floor of nasopharynx
• Malignant neoplasm of nasopharyngeal (anterior) (posterior) surface of soft palate
• Malignant neoplasm of posterior margin of nasal choana
• Malignant neoplasm of posterior margin of nasal septum