Std? genital warts? lymphocele?

Patient: Ive had these hard lumps on my penis for maybe around a month now,when not having sex or masturbating they seem to go down a little bit but not dissappear, they first appeared after intercourse, after a burning sensation on my penis hole I stopped and then the next morning these lumps popped up is this a sign of an std?

Symptoms: Reddish skin color hard lumps on shaft of penis