TOMM40 and serous adenocarcinoma: TOM40 expression was greater in type II tumors that include high-grade serous carcinoma and undifferentiated tumors (histoscore = 241, n = 114) than in type I tumors that include endometrioid, clear cell, mucinous, and transitional tumors (histoscore = 219, n = 81) (p = 0.005) (Table 1).