lymphatic metastasis

例句：

1. 1. The patient's condition worsened after receiving the treatment.
   患者在接受治疗后病情恶化。
2. 2. This disease is characterized by its ability to metastasize through the lymphatic system.
   这种病通过淋巴系统进行转移的能力是其特征。
3. 3. Lymphatic metastasis is a common cause of cancer recurrence.
   淋巴转移是癌症复发的常见原因。