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Table 3 Disease characteristics of 4097 oral cancer patients in South China

From: Epidemiologic characteristics of oral cancer: single-center analysis of 4097 patients from the Sun Yat-sen University Cancer Center

Variate Number of cases Percentage (%)
Tumor location 4097  
 Body of tongue 2230 54.4
 Floor of mouth 305 7.4
 Buccal mucosa 367 9.0
 Gingiva 534 13.0
 Retromolar area 18 0.4
 Hard palate 381 9.3
 Lips 187 4.6
 Unknown 75 1.8
Pathologic type 4097  
 Squamous cell carcinoma 3642 88.9
 Adenoid cystic carcinoma 119 2.9
 Mucoepidermoid carcinoma 77 1.9
 Malignant melanoma 48 1.2
 Adenocarcinoma 32 0.8
 Basaloid carcinoma 28 0.7
 Malignant mixed tumor 25 0.6
 Sarcoma 22 0.5
 Myoepithelial carcinoma 4 0.1
 Others 100 2.4
Blood type 4097  
 A 1021 24.9
 B 1039 25.4
 AB 253 6.2
 O 1519 37.1
 Unknown 265 6.5