All of a sudden I developed a small marble-sized lump in the lower wall of the rectal canal. It happened virtually overnight. It seems kind of hard and doesn't really hurt. I've been exceptionally fortunate ever since I had the original j-pouch surgeries. I have had an incisional hernia repair, but this is the first real concern I've had in a long time. Obviously any kind of lump gets my attention. Any ideas?
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