肛瘘是一种常见的肛门疾病，通常由肛门腺感染引起，形成异常通道连接肛管和肛周皮肤。了解<font color='#f00'>肛瘘的症状</font>对于早...

Rectal fistulas, also known as anal fistulas, are abnormal connections between the anal canal and the skin arou