患者男，64岁，因右上臂进行性肿痛4月，运动受限2月而人院。检查：右上臂近端肿胀，直径约28．ocm、质地中等、表面光滑，同侧腋窝可们及肿大、质硬淋巴结、余之浅表淋巴结未能及，巩膜无黄染，无肝掌及蜘蛛痣，心肺正常，腹平软、肝脾肋缘下未触及，肝区无叩击痛，双下肢无水 The patient was a 64-year-old man with a sore throat in the right upper arm for 4 months and a movement restriction of 2 months in the hospital. Examination: proximal swollen proximal right arm, diameter about 28. Ocm, medium texture, smooth surface, ipsilateral axillary swelling and enlargement, hard lymph nodes, more than superficial lymph nodes can not and yellow sclera sclera, no liver palms and spider mites, normal heart and lung, abdominal soft, liver The spleen was not touched under the costal margin, the liver area had no percussion pain, and the lower limbs had no water