Hi there, not sure how old this post is but I also have this issue. Marble sized hard lump in the wall between my vagina and rectum. I had a colonoscopy a few weeks ago and nothing to report there, having a vaginal ultrasound on Friday. My doctor says she couldn't feel or see anything which is odd as it's always there. Did anyone else ever gets theirs looked at ?
Is it your cervix?
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Hello guys, Let me make my thought short, the palpable mass could be rectal sphincter muscle mass. Here is a diagram for your reference. https://www.google.com/search?q=rectal+sphincter&espv=2&biw=994&bih=467&source=lnms&tbm=isch&sa=X&ved=0ahUKEwi6i-bPn4PRAhUEeCYKHajmBecQ_AUIBigB#imgrc=P3EPexbgN0AQqM%3A
God bless you all.
rectal sphincter = anal sphincter
It's an anal sphincter not rectal sphincter.