Patients with recurrent disease were more likely to be older, male, be smokers, be drinkers, have comorbidities of diabetes, hypertension and Hashimoto’s thyroiditis, have larger, multifocal and bilateral tumors, have ETE, have higher levels of Tg, have undergone lateral dissection with a higher number of LN dissected and LNR, have ENE and more advanced N stage, have higher levels of BMI, cholesterol, LDL and NLR, and have lower levels of triglyceride, PLR, LMR and PNI. The gene discussed is TG; the disease is Hashimoto thyroiditis.