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.
Neurologic complications continue to pose problems in patients with metastatic prostate cancer. From 15 to 30 percent of metastases are the result of prostate cancer cells traveling through Batson's plexus to the lumbar spine. Metastatic disease in the lumbar area can cause spinal cord compression.
Spread to the Brain. Lung cancer is the most common cancer that spreads to the brain, and at least 40 percent of people with advanced lung cancer will develop brain metastases sometime during their disease. Both non-small cell lung cancer and small cell lung cancer can spread to the brain.