https://www.selleckchem.com/pr....oducts/4-Methylumbel
7%) were downstaged because the age-at-diagnosis cut-off used for staging increased from 45 to 55years, while 35 (37.6%) were downstaged due to the weakening of the effects of lymph node metastasis. The recurrence rate of PTMC was 4.17%. Univariate Cox hazards regression analyses showed that TNM stage according to the AJCC 8th edition was significantly associated with recurrence, while the recurrence survival curves showed that TNM stage (stage I vs. stage II-IV) according to the AJCC 8th edition, but not the 7th edi
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