Wart ulceration
Jueyou rouyong, a Chinese idiom, Pinyin is Ju é y ó UKU ì y ō ng, which refers to the pole of corruption. It comes from Zhuangzi neipian Da Zongshi.
Source: Zhuangzi Nei Pian Da Zongshi: he regards life as an appendage and death as a decisive factor.
Wart ulceration