痔瘻[jirou] anal fistula
胃瘻[irou] gastric fistula

直腸膣瘻[chokuchouchitsurou] rectovaginal fistula
瘻管[roukan] fistula

只管[hitasura] nothing but
ブラウン管[buraunkan] cathode-ray tube
為替管理[kawasekanri] exchange control
移管[ikan] transfer of control
一管[ikkan] one flute

陰極線管[inkyokusenkan] cathode-ray tube
烟管[enkan] kiseru
煙管[kiseru] (tobacco) pipe with metal tipped stem
鉛管[enkan] lead pipe
下水管[gesuikan] sewer pipe