Hi Kait - Obviously, you're stressed by this. Please know that the possibility of you having cancer is extremely low - especially since the lump is mobile. However, I think the only way to get past this stress and move on with your life is to see a doctor and ask to have the lump diagnosed. Action trumps worry every time; and the best thing you can do for yourself at this point is see a doctor, get some tests done, and hear from a doctor that the lump you feel is nothing to worry about. So ask your mom or another responsible adult to make you an appointment, OK? Don't worry about over-reacting; you need to find out what this is for your emotional health. Best of luck to you - PJH
Kait, when the doctor asked you to keep an eye on this lump, he wanted you to tell him if there were changes. Sometimes the way a lump changes is a big clue to what it is. Because the lump has gotten bigger and you are experiencing increasing rib tenderness, it's time to go back to the doctor. I'm not sure why you are sure that this could not be a sebaceous cyst. Both my husband and I have had them, but they don't always look exactly the same. The stress you are feeling could easily be contributing to your fatigue, so please go back to the doctor. Most likely the lump is not cancer because most lumps are not, but you need to find out for sure.
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