Can you tell me is gamma-knife surgery a viable alternative to a craniotomy?

Consult surgeon: Type of radiation treatment usually performed when tumor or other abnormality in the brain is too hard to reach with standard neurosurgery or person not healthy enough to undergo standard surgery or person prefers a less invasive treatmentbrain tumor. Radiosurgery useful in the management of small noncancerous (benign) and cancerous (malignant) brain tumors.Have to ask neurosurgeon advice.