Stage II Paranasal Sinus Cancer AJCC v6 and v7

**Semantic type:** Neoplastic Process

**Definition:** Stage II includes: T2, N0, M0. T2: Maxillary sinus: Tumor causing bone erosion or destruction including extension into the hard palate and/or middle nasal meatus, except extension to posterior wall of maxillary sinus and pterygoid plates. Ethmoid sinus: Tumor invading two subsites in a single region or extending to involve an adjacent region within the nasoethmoidal complex, with or without bony invasion. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 6th and 7th eds.)

**Synonyms:** - Paranasal Sinus Cancer Stage II - Stage II Accessory Sinus Carcinoma - Stage II Carcinoma of Accessory Sinus - Stage II Carcinoma of Paranasal Sinus - Stage II Carcinoma of the Accessory Sinus - Stage II Carcinoma of the Paranasal Sinus - Stage II Paranasal Sinus Cancer - Stage II Paranasal Sinus Cancer - Stage II Paranasal Sinus Cancer AJCC v6 - Stage II Paranasal Sinus Cancer AJCC v7 - Stage II Paranasal Sinus Carcinoma