anal fistula
Medical term for an abnormal tunnel between the anal canal and the skin near the anus.
痔瘻の治療には手術が必要なことが多い。
Surgery is often necessary to treat an anal fistula.
Standard kanji spelling for anal fistula.
Common simplified spelling using hiragana for 瘻.
Compound of 痔 (ji, 'hemorrhoids') and 瘻 (rō, 'fistula'). The kanji 瘻 is a medical character for an abnormal passage, and its reading ろう is sometimes written in hiragana as ろう.