What Causes Head Aches And Chest Pain And Green Discharge From Breast?

I have the following symptoms and am unsure if i need to see my doctor. I have headaches, chest pain (mainly in my breast), stomach pain, neck stiffness and a sore throat, fatigue, low blood pressure never over 110/60, numbness and tingling in my arms, cramps in my calf muscles, nausea, unable to focus on something longer than a few minutes at a time, slightly dizzy, lump in my right breast accompanied by right shoulder pain that radiates into my shoulder blade, my breast also itches and hurts, if my breast is squeezed slightly a green discharge comes out, and appetite loss. What could possible be wrong with me?