Cyst can occur in any part of your body and though it can be removed surgically, but there is a tendency for it to come back on the same site or any other place.
Next Steps
There is a need to understand whether it is a cyst or lipoma or wart and if it is cyst, then what is it made of. Normally cyst are filled with fluid but it is important to know the character of the fluid there.
Health Tips
Homeopathy has excellent treatment for cyst, lipoma and wart .
It would require a proper case study and reports study from your surgery.
Totally curable.
Take care