A lot of people aspire to become doctors in the future, and they want to become specialized doctors. However, this is a very long and difficult path to take.
The system here is Pre-U/Foundation+Medical Studies (5 years) + Residency/Housemanship (2 years) + Medical Officer (2years) + Specialization (7years) = 16 years. When you graduate from specialization, you will be around 35 years old. Have you considered that?