女性，47岁。主因颈部肿物1个月而入院。患者于入院前无意中发现颈部肿物，后渐增大，无发热、消瘦、疼痛、声音嘶哑、多汗、易饥、心悸、易激动等症状。查体：颈前右侧皮肤局限性隆起，甲状腺右叶下极可触及一约5cm×4cm×3cm大小肿物，质中，界清，随吞咽活动上下移动，无压 Female, 47 years old. He was admitted to the hospital because of a neck mass for 1 month. The patient inadvertently discovered a neck mass before admission, and gradually increased, without fever, weight loss, pain, hoarseness, sweating, hunger, heart palpitations, irritability and other symptoms. Physical examination: limited bulging of the skin on the right side of the neck, the lower pole of the right lobe of the thyroid can reach a size of about 5cm × 4cm × 3cm, mass, borderline clear, move up and down with swallowing activity, no pressure