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Risk of recurrence according to the tumor marker cutoff ratio (TMR) combination scoring system. TMR combination scoring system (the sum of the scores) was divided into four categories (score 0, score 1, score 2, score 3 and above). Five-year risk of recurrence for each category were 12.8%, 23.9%, 45.5%, and 68.3%, respectively (P < 0.05).
