What Causes Dark Ring Around Eye With Family History Of Cervical Cancer?

im only 14, and i've been shaking & feeling like ima pass out, i feel weak, and tried all the time, i lost some skin color in my face & i have a dark ring around my right eye, my left in thigh has been hurting alot. and i have some of the syptoms. My great grammy have cervical cancer. My mom is making me and appointment soon. But im just a little worried. Can you give me some answers? Please