What should we expect from here.

My mother in law was diagnosed last October with Stage 3 lung cancer.  In the last two weeks she has gotten very weak and has stopped eating.  We got the results back on her different test and the cancer is stronger than ever even though she has been undergoing treatments all year.  It has already spread throughout her body in her bones her spinal column and her brain.  She went through radiation about 6 weeks ago for the cancer in her brain and then resumed chemo.  Now her platelette count is to low to do treatments and yesterday she had to be taken by ambulance to the hospital because she had slurred speach and couldn't get out of bed.  Just in the three days since I last saw her she has deteriated so muc...