text_1: 经过 两次 急诊 就诊 后 , 患者 到 其 初级 保健 医师 处 就诊 为 扩大 鉴别 诊断 范围 提供 了 机会 .
  
text_2: after two urgent care visits , an appointment with his primary care physician provided an opportunity to expand the differential diagnosis .
  