Hi all. Embarrassing problem but I am currently on holiday and can’t speak to my dr. I have a smooth, rubbery, mobile, pea-sized lump on my anus. To me it feels like a lymph node. When I google lymph node in that area, it brings up anal cancer and sites refer to nodes ‘in the anal area.’

however, I can’t find any diagram of anatomy that shows lymph nodes here, nor any account of anyone having found one there. I guess I want to know if anyone knows of such a presentation ( whilst I try to keep calm until seeing dr). 

thanks