I have metastatic stage 4 gastrointestinal cancer, want to try hemp oil or cannabis oil? Posted on October 29, 2016 by admin — 4 Comments ↓ I am a male 60 with metastatic stage4 gastrointestinal cancer. Am on3rd round of chemo. Want to try hemp oil as well during chemo. Is hemp oil the same as cannabis oil? And are there side effects?