What's wrong with soft ass?

Anal soft bag, may be due to perianal abscess, external hemorrhoids, sebaceous cyst, lipoma and other reasons. Perianal abscess will appear in the anal mass, accompanied by pain, after the formation of abscess, touch the mass is soft, there is a sense of fluctuation. External hemorrhoids varicose external hemorrhoids is due to subcutaneous varicose veins formed hemorrhoids, in the anal margin will appear a round or oval mass, no pain, touch soft. Sebaceous cyst is caused by skin hair follicle infection, a soft mass can be seen near the anus. Lipoma is formed by subcutaneous fat hyperplasia, also manifested as soft mass. In addition, internal hemorrhoids or low rectal polyps out of the anus, will also appear as soft mass on the anus.