Registry of Patients With Brain Tumors Treated With STaRT (GammaTiles)

Inclusion Criteria:

1. Patients who undergo maximum safe resection of intracranial neoplasm(s) ANDimplantation of GammaTiles.

2. Willing and able to provide informed consent and to participate in all evaluations.

Exclusion Criteria:

1. Inability to undergo pre-operative and post-operative imaging for disease andimplant assessment.

2. Major medical or psychiatric illness, which, in the investigator's opinion wouldprevent completion of treatment, ability to complete assessments at the time ofenrollment, and/or interfere with follow ups.

3. Subjects who, in the investigator's opinion, are unable to understand the protocolor to give informed consent, have a history of poor cooperation, noncompliance withmedical treatment, or difficulty in returning for follow up care. A legallyauthorized representative may provide consent if the potential subject lacks thecapacity to provide consent themselves.