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Table 2 Th treatment results between the primary intraoral lesion stage and treatment methods

From: Neck dissection and post-operative chemotherapy with dimethyl triazeno imidazole carboxamide and cisplatin protocol are useful for oral mucosal melanoma

Classification Treatment methods Case number Late intraoral recurrence Late cervical lymph node metastasis Late distant metastasis
T3 stage Cryotherapy 33 6/26 (23.1%) 5/26 (19.2%) 11/26 (42.3%)
  Surgery 7 1/5 (20%) 0/5 0/5
  Both 13 5/11 (45.5%) 1/11 (9.1%) 1/11 (9.1%)
T4a stage Cryotherapy 3 2/3 (66.7%) 2/3 (66.7%) 2/3 (66.7%)
  Surgery 4 1/4 (25%) 0/4 3/4 (75%)
  Both 4 1/3 (33.3%) 0/3 2/3 (66.7%)