Last october i felt some pain in my right testicle and felt a vain like lump .the pain lasted for over 2 weeks then it went away and the lump got smaller ,two months later i started to feel pain again and the lump got larger then disapeared again and had no pain at all so everytime the vain like lump swells i get pain and its right next to my epedemis.i got an appoitment for this monday but what do you think this could be because the vain shaped lump is not very hard and pretty long but when i push on my testicle it gets hard also at times i could barely find this lump .im really scared it can be cancer but i heard cancerous lumps are usually round or pea shaped but mine is long please help me what do u think this could be?