Table 3. Summary of UNOS guidelines for LT in NET.

Common criteria with Milan-NET

Histologic grade of G1 or G2

Gastro-entero-pancreatic origin tumors with portal system drainage

Resection of primary and extra-hepatic disease without recurrence >6 months

Tumor replacement <50% of the liver volume

Recipient age <60 years

Additional criteria

Unresectable liver metastasis

Radiographic characteristics of NET of the liver lesions

Negative metastatic workup by PET scan

Lack of extrahepatic tumor recurrence during the past 3 months

In the presence of positive findings for lymph node metastases by PET scan, the finding should become negative for 6 months before re-listing

In the presence of extrahepatic solid organ metastases (i.e., lungs or bones), the case will be permanently delisted

NET, neuroendocrine tumors; PET, positron emission tomography.