AFP and neoplasm: Sum of the size of the largest tumor [in cm] and the number of tumors ≤ 7 + AFP level < 200 ng/mLSum of the size of the largest tumor [in cm] and the number of tumors ≤ 5 + AFP level 200–400 ng/mLSum of the size of the largest tumor [in cm] and the number of tumors ≤ 4 + AFP level 400–1000 ng/mL