APC and hepatoblastoma: In addition, a study72 reported the presence of massive intratumor TLSs containing both lymphocytes (including CD3+T, CD8+T, and CD20+B cells) and antigen presenting cells (DC-LAMP) in 11 adenomatous polyposis coli (APC) germline mutation hepatoblastoma patients who received cisplatin-based neoadjuvant chemotherapy.