question: hi, I am a 51 year old fairly active woman, residing in North Western Ontario, Canada. Yesterday my lower neck, and the region between my shoulders started to have sudden onset of pain, but only seems to bother me when I take a deep breath or have to cough?? Is more annoying than anything as the pain is sharp and catches me off guard. As it is the easter weekend, I can not contact my family doctor til tuesday, and don t feel it is serious enough to seek attention at the regional hospital. I did undergo breast cancer treatment , surgery, chemo and radiation 2 years ago. Had 27 lymph nodes removed under my left arm. My question is