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Taxonomy Codes
Neoplasms
Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)
Malignant neoplasm of accessory sinuses (C31)
C31
- Malignant neoplasm of accessory sinuses
C31.0
- Malignant neoplasm of maxillary sinus
C31.1
- Malignant neoplasm of ethmoidal sinus
C31.2
- Malignant neoplasm of frontal sinus
C31.3
- Malignant neoplasm of sphenoid sinus
C31.8
- Malignant neoplasm of overlapping sites of accessory sinuses
C31.9
- Malignant neoplasm of accessory sinus, unspecified