例1：男，52岁。因右颈部包块1月入院。自诉1月前无意中发现石颈部包块，约核桃大小，无触痛、吞咽不适、梗阻感及增大趋势，亦无心悸、多汗及腹泻。体查：甲状腺右侧巨”肿大．约‘cmxscm大小，边缘清楚，质地中等，表面光滑未扪及给节、可随吞咽活动，无血管杂音。气管居中。 Example 1: Male, 52 years old. The right neck mass was admitted to hospital in January. She complained of a stone neck mass that was unconsciously discovered before January. It was about the size of a walnut, and it had no tenderness, swallowing discomfort, obstructive sensation, and a tendency to increase. There was also no palpitation, excessive sweating, and diarrhea. Physical examination: The right side of the thyroid is very swollen. It is about ‘cmxscm in size, with clear edges, medium texture, smooth surface, no articulation, no swallowing, no vascular murmur, and central trachea.