患者男、72岁，因持续中等度发热伴咳嗽2个月、多种抗生素治疗无效于1994年1月18日入院。体查：轻度贫血，浅表淋巴结未及，皮肤巩膜无黄染，无出血点，心率88次／分，律齐，无杂音，两肺无异常，腹平软，肝脾助下未及，肝区无叩痛，四肢活动好，双下肢无浮肿，神经系统无异常 The patient, male, 72 years old, was admitted to hospital on January 18, 1994 because of persistent moderate fever with cough for 2 months and multiple antibiotics. Physical examination: Mild anemia, superficial lymph nodes, no yellow stain on the skin sclera, no bleeding points, heart rate 88 beats/minute, regularity, no noise, no abnormalities in both lungs, abdominal softness, liver and spleen help No pain in the liver area, good limb movements, no edema in both lower limbs, no abnormalities in the nervous system