|Inclusion Criteria:||1) Participant must be 18 years of age or over.|
2) Possible or suspicious sebaceous gland carcinoma of the eyelid.
3) A CXR (chest x-ray), liver enzymes, and a head and neck CT or magnetic resonance imaging (MRI) and an ultrasound negative for clinical evidence of metastasis.
4) Patient provided written informed consent. In the event that non-English speaking participants are eligible for this study, a short form (if applicable) or an ICD in their language, will be utilized and completed in accordance with the MDACC Policy for Consenting Non-English Speaking Participants.