Hey there
You should pick up master of surgery MS in cardiothoracic surgery which is two year postgraduate course. This course includes the surgical treatment of diseases affecting organs inside the chest.
For more details related to MS Cardiothoracic click on below link:
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/careers/cardiothoracic-surgeon&ved=2ahUKEwjqytaB4vTyAhWylEsFHaAWB78QFnoECAoQAQ&usg=AOvVaw2icptq_QbSlKTYXRh8EIMH
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