"PRETEXT grouping system of paediatric liver tumoursnot specific to hepatoblastoma; used in all paediatric liver tumours"
"incomplete surgical resection with macroscopic residual AND / OR"
"incomplete surgical resection with macroscopic residual AND / OR"
"significant tumour spill AND / OR"
"significant tumour spill AND / OR"
"Intergroup staging systemspecific for hepatoblastoma (see below)"
"stage Icomplete surgical resection"
"stage II"
"IIa"
"IIb "
"stage III"
"IIIa"
"IIIbtumour not resected"
"stage IV"
"IVa"
"IVb"
Expected headings
"Staging"
"Intergroup staging system"
"PRETEXT grouping system of paediatric liver tumoursnot specific to hepatoblastoma; used in all paediatric liver tumours"