The Clinical Effect and Mechanism of Prostant on Urinary Retention and Anal Pain

Table 1

Local symptoms scale.

Scores	0	1	2	3
Degree of swelling	None	Barely visible	Edge higher than skin	Markedly swollen
Ulcer area	None	＜0.2 cm^2	＜0.3 cm^2	＞0.3 cm^2