My mother is in stage 4 nscl cancer. after 4chemo treatments she was too sick to continue. heart had a fib from avastin.. very sick to stomach, diarrhea. That was 6-6-07. this Feb we went to Seattle cancer alliance they put on tarceva. after 2 days she was again sick to her stomach she thought she would die. no one seems to have stomach problems? please let me know your experience. She is in her mid 70's thank you Diana