43-year-old man with stage 3 stomach cancer (signet-cell adenocarcinoma) had 80% of his stomach removed. His oncologist said: With chemo, chances of recurrence is 20%. Without chemo, it is 40%. Another lady was told that with chemo, the chances of recurrence is 30%. Without chemo, it would be 50%. However the second oncologist he went to said there is NO GUARANTEE!