i have  a problem and i do not know, what kind of disease i experience right now, as i hold my penis not my glans penis, i noticed that some kind of lump or swelling or tumor, and i don't know, below my penis part and it was so painful during urination.

i am so much worried what kind of disease is this, did anybody could help me!plz.

is there any posible cure to this one.

thank you!