Anal site

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Data regarding patients affected by primary melanoma of the anal canal and rectum were retrieved from the surveillance, epidemiology, and end results database.Age, gender, tumor stage, tumor location, receipt of radiotherapy, and type of surgical intervention were introduced as covariates in a Cox proportional hazards regression model.sources sometimes use the term anal intercourse to refer exclusively to penile-anal penetration, and anal sex to refer to any form of anal sexual activity, especially between pairings as opposed to anal masturbation.

They may regard it as an enhancing element of their sex lives or as their primary form of sexual activity.

The glands themselves are located at varying depths in the anal canal wall, some in between the layers of the internal and external sphincter (the intersphincteric plane).

The cryptoglandular theory states that obstruction of these ducts, presumably by accumulation of foreign material (e.g.

If you have anal cancer or are close to someone who does, knowing what to expect can help you cope.

Here you can find out all about anal cancer, including risk factors, symptoms, how it is found, and how it is treated.

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