A teacher's assistant is not typically required to hold a Bachelor's Degree, so the average pay is much lower than that of the teacher in charge. A teacher's assistant averages about $21,000 yearly with a slight range between $19,300 and $27,400.
When breast cancer spreads to the spine, it's known as bone metastasis. And unfortunately yes, breast cancer that has spread to the bones may spread to other areas such as the brain as well. This happens when cancer cells break away from the primary tumor and travel through the circulatory system. The most common areas for breast cancer to spread are the bones, lung, liver, and brain.
1 Stage l: Cancer has not spread from the bone. 2  Stage ll: Cancer has not spread but may become invasive (a threat to other tissue). 3  Stage lll: Cancer has spread to one or more areas of the bone and is invasive. 4  Stage lV: Cancer has spread to the tissues surrounding the bone and to other organs such as the lungs or brain. Stage ll: Cancer has not spread but may become invasive (a threat to other tissue). 2  Stage lll: Cancer has spread to one or more areas of the bone and is invasive. 3  Stage lV: Cancer has spread to the tissues surrounding the bone and to other organs such as the lungs or brain.