Well lumps would normally be the sign of a tumor. But if it goes away and comes back in a different place, then that is a new one on me. The best thing to do is to visit your family doctor.
The worst thing it could be is testicular cancer, and that has a 90% cure rate. So go get it checked out.
They appear randomly
everywhere. they just randomly appear everywhere. they just randomly appear
randomly
They appear randomly. You just have to get lucky.
You probably need to either finish the vault or get it randomly from the CD's that randomly appear.
They appear randomly.
You don't. The air faerie appears as a random event around the site to give you a quest.
Rox flowers appear randomly.
No it can not; you must be infected by the bacteria in order for it to develop.
It will eventually appear in shops at the higher levels and later it will randomly appear in dungeons.
they appear randomly throughout jhoto
When it leaves it is roaming around Sinnoh and can randomly appear anywhere.