Inclusion Criteria:

- Patients must be ≥ 18 years old.

- Patients must have colon cancer metastases to the liver.

- Patients must be candidates and be scheduled for liver resection.

- Patients must have received and have had a response to neoadjuvant therapy prior to
liver resection.

- Patients must have signed Institutional Review Board (IRB) approved written consent
form prior to registering in the study.

Exclusion Criteria:

- Patients who are < 18 years old.

- Patients who do not have colon cancer metastases to the liver.

- Patients who are not surgical candidates.

- Patients who do not schedule or who cancel a liver resection.

- Patients who have not received neoadjuvant therapy.

- Patients who have received neoadjuvant therapy but who have had no response or who
have had tumor progression.