Hi @lony, please note that I removed your attached file including your medical records and personal identifying information. Mayo Clinic Connect is an online community where you can get and give support and share information with fellow patients.

I believe you may be looking for expert medical advice from Mayo Clinic. To seek a second opinion of treating hypertrophic cardiomyopathy with septal myectomy, please go to this website to submit an online request http://mayocl.in/1mtmR63

A septal myectomy is an open-heart surgery. A surgeon removes part of the thickened, overgrown septum between the lower heart chambers called the ventricles. Here is more information from Mayo Clinic:
- Hypertrophic cardiomyopathy https://www.mayoclinic.org/diseases-conditions/hypertrophic-cardiomyopathy/symptoms-causes/syc-20350198