Pain after workout!

[Vvitto]

Yestarday I was doing chest workout and today I feel a sharp pain uder my arm..I am a little worried , and I was wondering if any of you had experienced something like this..
The pain is only under my right arms(axila) and when I lift my right arm I feel the pain.

Thanks
V

[syntekz]

Under your arm? Your lats?

[Vvitto]

Its exactly on my armpit!
Kindda feel pain ...