<prompt> Low risk in carcinoma thyroid: 1. Men 50 years 2. Women 40 years 3. Papillary carcinoma 5 cm 4. Metastasis 5. Follicular carcinoma 5 cm1,2 32 32,3 4All  <response>: Low risk group in differential thyroid carcinoma: Men 40 years women 50 years without distant metastasis All older patients with minor tumor 5 cm in size and minor capsular involvement and no metastasis High Risk group in differential thyroid carcinoma: Distant metastasis All older patients patients with extra thyroid papillary carcinoma or follicular carcinoma with major capsule involvement with tumor 5 cm in diameter, regardless of the extent of the disease. Ref: Bailey Love 24e, Page 800. 