I am sorry but we have had to remove the photos you uploaded on the forum as in line with our terms and conditions we do not allow images to be uploaded for the purpose of diagnosis. I think the best thing to do if you are worried is to make an appointment with your doctor and ask your GP what it might be. Don't feel shy about it, as doctor are used to examining these lumps in any area in the body and they will have the expertise to tell you more about it.
Best of luck with your appointment and let us know what the doctor said if you get a chance,
