HI and thank you for your question. I am a verified Expert and am happy to help you. What you are feeling is most likely a hemorrhoid... which is actually a blood engourged vein in side of your anus. Here is a picture to compare what you are feeling:
Let me know your thoughts.
Yes, they can feel that way. Hemorrhoids don't always bleed.. what causes the bleeding is usually straining to have a bowel movement which puts pressure on it.. kind of like squeezing a water balloon until it pops. It really needs to be seen by your Doctor to rule out other remote possibilities like a cyst or tumor... but the likely cause is a hemorrhoid.