What is the difference between radiation and chemotherapy?

My aunt is having a small breast tumor positive with cancer cell and is having radiation instead of chemotherapy, why?
Answers:     Chemo is delivered by IV whereas, radiation is a concentrated beam on the area of the tumor.
Probably because after taking all the factors of your aunt's bag into consideration the oncologist thought this was the best course of treatment.
ery, radiation and chemotherapy can be used singly or in any combination for different cancer types, stages and locations. The oncologist is in the best position to recommend what is most suitable for respectively individual based on a wide variety of factor.
Chemo affects your entire body, radiation can target deeply specific areas.

If they suspect the cancer has spread - they recommend chemo, otherwise they use surgery or radiation.


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