To be able to become an oncologist you must complete an undergraduate degree program, 4 years of medical school and a residency or fellowship program that usually lasts two to four years.
The amount of time it takes to become an oncologist depends on the specialty of oncology you're planning to work in and are studying in to be.
The different types of oncology specialties that oncologists can specialize in are medical oncology, pediatric oncology, radiation oncology, or gynecological oncology.
So depending on the specialty of oncology you're studying to be it takes between 6 to 8 years to complete the college courses to become an oncologists.
But if you can stick with the college and study to become an oncologist it will be well worth it.
Oncologists will always be in demand and it's a great paying career.