Will I lose weight during chemotherapy?: lung cancer symptoms

I am 46 and was recently diagnosed with breast cancer. After my surgery, I will start six rounds of chemotherapy. Many of my friends say that I will lose weight because of the chemotherapy. I am a little bit overweight (about 30 pounds), so it would be a welcomed side effect!
I have never known anyone to gain weight while being treated for cancer, but I am still wondering if my friends are correct. Will I really lose weight during chemotherapy? If so, how much do people lose on

real story: lung cancer symptoms

    sourceURL: http://www.youtube.com/watch?v=ik4d32dDkt0

What is Lung Cancer?: lung cancer symptoms

Cancer is really a class of diseases seen as a out-of-control cell growth, and carcinoma of the lung occurs if this uncontrolled cell growth begins a single or both lungs. As opposed to developing into healthy, normal lung tissue, these abnormal cells continue dividing and form lumps or many tissue called tumors. Tumors restrict the leading function on the lung, which is to provide you with the bloodstream with oxygen to become carried on the physique. If a tumor stays in one spot and demonstrates limited growth, it's generally thought to be benign.
More dangerous, or malignant, tumors form once the cancer cells