. >> elizabeth wallner loves bringing fruits and vegetables to her garden hoping it avoid her bringing her own death. >> there's never a moment when i don't have cancer. it's hard to make plans or think far ahead in the future. >> you got a lot to say, kid. >> reporter: at 47 her life was turned upside down. a single mother in sacramento was diagnosed with stage 4 colon cancer. how severe was the diagnose? >> no one really said anything. i went into my colon surgeon, said i have a 15-year-old son, i said what am i dealing with? he said he would give me no more than 18 months to live. so it's pretty severe. >> do you mind showing me the scarring? her teenage son stayed by her side when she got severely ill from chemotherapy. >> knowing my son has been and would have been the most impacted by this, is by far the worst part. i mean death for person who's dying it's like well it's over. so -- but you know leaving a 15-year-old kid on his own, the idea is unimaginable. >> wallner was a plaintiff in a california lawsuit suing for right to die with physician-prescribed medication. after a lon