How could I get into hematology field after earned a BS in medical technology?

Can I get into Hematology after earned a BS in Medical Technology?
Because 4 years college in Medical Technology doesn't have Physic courses. Should I change my major to Biology and get into Hematologist/Oncologist?
Asked Dec 15, 2013

TIP: If it's not your answer to this question, please click "Leave a Comment" button under the question to communicate with the question owner.