There’s two types.
1. High intensity focused ultrasound (HIFU)
2. Histotripsy – this is safer but not available to do it yourself
Caution: If you’re going to do the HIFU, just know it can perforate tissues and organs which can be fatal.
Here is a youtube video explaining HIFU and cancer
The one person who recommended this DIY said he cured his cancer and gave his website but his website is cluttered with so much information. He recommends a hand held 1 mhz 8W ultrasonic device.
This is his website
This is his facebook profile
The HIFU treatment done by Doctors does carry a risk of perforation and tissue and organ damage.
Doing this yourself will increase that risk more.
We don’t recommend it but we thought we mention it because it is proven to kill cancer but it’s risky even with Doctors doing it.
Histotripsy on the other hand looks promising.