Can you tell me if throughout chemo someone has a port in their arm, if they take the port out does that mean the cancer hasgone away?

Not exactly: An Oncologist will not generally recommend port removal when someone has final stages of cancer because the assumption is that that person will be on treatment off and on for the rest of his/her life. A port is removed very routinely after early stage cancer because the person may very well be cured. So it depends on the situation but in general it sounds like this person is considered curable.