7. Alkaline phosphatase (AP), alanine aminotransferase (ALT) and/or aspartate aminotransferase (AST) ≤ 2.5 x upper limit of normal (ULN), and total bilirubin ≤ 2.0 mg/dL unless liver involvement by the tumor, in which case the transaminase levels up to 5 x ULN are allowed.