Supplemental Data Table. Patient characteristics Pt Age at HBL pres. Sex Gest BW AFP at HBL diagnosis Histology 1 Birth F 35 weeks NR III/NR No (birth) NR NR NR Biopsy 2 Birth F 36.5 weeks 3325 III/NR grams No (birth) 171,533 ng/mL Fetal VCR, doxo Unres 3 Birth M Term 4100 III/NR grams No (birth) 226,029 ng/mL Fetal GTR M NR 4621 I/NR grams No (birth) NR Fetal Carbo, 5FU, doxo, VCR, cisplatin None 4 1 day 5 23 days M 38 weeks NR 4290 III/NR grams NR NR/I AFP and U/S U/S 228,889 ng/mL 99,360 ng/mL Fetal GTR 6 weeks M 31 weeks NR NR NR NR Doxo, carbo, cisplatin Cisplatin, carbo, doxo, and docetax at pulm relapse post initial surgery; Pulm RT None 6 4 weeks M 7 8 11 weeks M Term 3800 III/I grams MRI 21,860 ng/mL (1:50) Embryonal Cisplatin CR 9 3 mos M 31 1900 No >70,000 Fetal and None Biopsy age N.A. Stage/ Screen PRETEXT NR III/NR Mixed fetal/ epithelial Chemotherapy Surgery Outcome Ref & date CR CR with negative margins None Died at 5 mos from diagnosis Died of MOF at 2 weeks from diagnosis NED at 15 mos off therapy NED at 10+ years off therapy NED at 3.5 years old NED at 10 years off therapy 42007 Diagnosis at autopsy; Died of lung disease of premat AFP 98 ng/mL 2 mos off therapy DOD 17 91994 51991 61999 CHRCO 2013 72011 82012 102007 111996 weeks grams 38 weeks 32 weeks 3754 NR grams LGA III/NR NR 10 3 mos F 11 3 mos M 12 4 mos M 38 weeks 3920 NR/II grams U/S 31,533 ng/mL Poorly diff VCR, CTX, doxo, cisplatin CR 13 14 4 mos 5 mos NR F NR Term NR LGA NR I/NR NR NR NR CR 5 mos M Term LGA I/NR NR NR CR NR 16 5 mos F NR NR NR/IV NR 30,000 ng/mL 70,000 ng/mL 238,044 ng/mL NR NR 15 NR AFP and U/S AFP and U/S NR days post diagnosis NED at 6 years Died at 2 mos from diagnosis NED 2 years from diagnosis NR NR NR Doxo, cisplatin 17 18 19 5 mos 5 mos 5 mos M NR M NR NR NR NR/II NR III/NR NR NR U/S 6 mos F No 21 22 6 mos 6 mos NR M 865 II/NR grams NR NR NR NR Fetal and embryonal NR NR Cisplatin NR VCR, 5FU, carbo, cisplatin Doxo, 5-FU, VCR NR Chemotherapy 23 6 mos F NR NR III/NR NR NR NR 183,000 ng/mL 18,000 ng/mL NR 84,000 ng/mL Elevated Fetal NR NR 20 Premat NR 26 weeks 27-28 weeks NR NR LT at 17 mos of age Biopsy NR LT Fetal and embryonal 24 7 mos F Term AGA I/NR 25 26 7 mos 8 mos NR F 27 10 mos F NR 27-28 weeks NR NR NR 1340 II/NR grams NR NR AFP and U/S NR NR 5,361 ng/mL NR 20,612 ng/mL NR 28-34 2-10 mos 5M 2F NR NR 70,652 – 837,305 PRETEXT I (2), II (2), NR NR U/S NR NR ng/mL embryonal 609,471 ng/mL NR Fetal and embryonal NR Chemotherapy CR None Biopsy 122003 42007 132003 21998 142003 142003 Alive at 36 mos post LT NR NR NED at 33 mos GTR NED at 14 mos NR NR Resection NR 151999 CCG chemotherapy CR 31995 NR NR CR NR Embryonal NR NR NR NR Resection NR 21998 NR NR NR 191983 NR Cisplatin, pirarubicin; (2 Resection NED at 2in all 7 10 years NED at 21 mos from diagnosis NR NR 162000 21998 CHLA 2013 CHLA 2013 21998 172009 142003 181992 202012 (median 6 mos) III (3), all localized 35 11 mos F 36 weeks 37 weeks 3856 grams 3610 grams 36 11 mos F 37 11 mos M Term 4950 I/NR grams 38 12 mos F 32 to 33 weeks 39 12 mos M 40 41 1 year 13 mos 42 14 mos ng/mL (median 211,820) NR/I NR NR No also received ifosfamide, etoposide, carboplatin; 1 high dose acetaminophen) 180,000 ng/mL 550,000 ng/mL Embryonal Chemotherapy Fetal and embryonal Pirarubicin, etoposide, carbo, cisplatin U/S 10,760 ng/mL Epithelial NR 2839 IV/IV+M grams No 1,510, 000 ng/mL NR 38 weeks 4400 III/NR grams No 365,000 (missed) ng/mL Mixed Doxo, ifosfamide, carbo, cisplatin, irinotecan Chemotherapy NR F NR NR NR NR NR 435.7 ng/mL NR Embryonal and fetal M 38 weeks 2511 NR grams NR MRI, U/S and AFP No NR NR NR NR/II (median 6 years) with 1 NED post relapse treatment and 1 NED post therapy related acute leukemia treatment Resection NED at 9 years CR Died of recurrent AML/ MDS post BMT CR with Alive at 17 negative months margins LT NED 18 months post LT 122003 211996 221988 232010 241996 NR NR Died 6 mos post surgery (hepatic failure), NED NR NR Resection NR None Unres 261970 CR DOD at 1 month from 252005 172009 43 15 mos M Term 44 15 mos F 29 to LGA 30 wks 45 1½ years M 32 wks 46 47 19 mos 25 mos NR F 48 30 mos 49 <5 years old NR 50 4450 IV /NR grams diagnosis DOD at diagnosis (autopsy) NED at 4 years old 271993 NR NR Embryonal None None AFP and U/S 2,083 ng/mL Chemotherapy Biopsy 1350 IV /NR grams No 1:65,536 Fetal and cholangioblastic Epithelial, mesen CCG treatment 291986 NR NR NR NR NR III/NR NR NR NR Elevated NR Fetal and embryonal NR CCG treatment F NR NR III/NR U/S >33,000 ng/mL NR NR NR NR NR U/S NR NR Doxo, 5FU, VCR, cisplatin and high dose acetaminophen with cisplatin NR Resection NED 21 mos from diagnosis NR NR CR NED at 12 mos post dx CR NED at 7 years post surgery NR NED at > 9 years 312012 NR NR NR II /NR NR NR NR Resection NED at 9.3 years NR NR NR NR 322009 I or II/NR Epirubicin, cisplatin NR NR 282008 21998 31995 302005 331995 51&52 NR M NR NR NR NR NR NR 342002 53 to NR NR NR NR NR NR NR NR 56 Pt, patient; HBL, hepatoblastoma; pres., presentation; gest, gestational; BW, birthweight; N.A., North American; AFP, alphafetoprotein; ref, reference; F; female; NR, not reported; mos, months; VCR, vincristine; doxo, doxorubicin; unres, unresectable; MOF, multi-organ failure; M, male; carbo, carboplatin; 5FU, 5-fluorouracil; GTR, gross total resection; NED, no evidence of disease; CR, complete resection; CHRCO, Children’s Hospital & Research Center Oakland; U/S, ultrasound; docetax, docetaxel; pulm, pulmonary; RT, radiation therapy; premat, prematurity; DOD, died of disease; LGA, large for gestational age; LGA, large for gestational age; diff’d, differentiated; CTX, cyclophosphamide; LT, liver transplant; CHLA, Children’s Hospital Los Angeles; CCG, Children’s Cancer Group; AGA, appropriate for gestational age; AML, acute myeloblastic leukemia; MDS, myelodysplastic syndrome; BMT, bone marrow transplant; mesen, mesenchymal.