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Table 1 Patients and tumor characteristics

From: Impact of removing mastoid process for advanced parotid cancer on facial nerve identification, preservation and reconstruction

Characteristics Number Characteristics Number
Gender   Pathological type  
Male 9 Carcinoma ex pleomorphic adenoma 4
Female 9 Salivary duct carcinoma 3
Age   Epithlial-myoepithlial carcinoma 2
Range 30-84 squamous cell carcinoma 2
Mean 59.3 Adenocarcinoma 2
Median 65 Acinic cell carcinoma 2
   others 3
Previous treatment    
Untreated 13 HB scores  
Recurrent 5 I 4
   II 5
Stage   III 2
Ill 3 IV 0
IVA 8 V 3
I’VE 7 VI 4