It is a very nice choice .

To become a  cardiothoracic surgeon there are 3 things , that are

a bachelor degree withMBBS after 10+2.

PG course leading to Doctor of Medicine (MD) in general medicine.

After that three-year degree of MD, then go for the super specialty course of three year DM in Cardiothoracic

For more information about cardiothoracic surgeon oyou can visit below link

https://www.careers360.com/careers/cardiothoracic-surgeon

Thank you . I hope this answer helps you.