Pain In Bottom Of Big Finger Why Do I Feel This Ball On The Left Bottom Side Of My Inner Chin? And No Its Not Small Like Its Big?

Why do i feel this ball on the left bottom side of my inner chin? and no its not small like its big? - pain in bottom of big finger

The large is enough for you to catch with the thumb and the index is not really done much harm, but in certain places and feel the pain of the journey on board when I disturbed the chin, and travel and a small vein