endogenous tuberculosis

例句：

1. 1.Endogenous tuberculosis is a type of infection that occurs in the body without an external source of infection.
   内源性结核病是一种在身体中发生的感染，没有外部感染源。
2. 2. Endogenous tuberculosis can be difficult to treat because it often involves latent infections that are not yet active.
   内源性结核病治疗起来可能很困难，因为它通常涉及潜伏感染，这些感染还没有活跃起来。
3. 3. Endogenous tuberculosis is a serious disease that requires early diagnosis and treatment to prevent complications.
   内源性结核病是一种严重的疾病，需要早期诊断和治疗以防止并发症。