A histologic grade according to the Fuhrman Nuclear Grading System indicating that nuclei arei bizarre and multilobulated, 20um or greater and nucleoli are prominent and chromatin clumped.
Instance info
alternative term
Grade 4
definition source
NCI BBRB, OBI
editor preferred term
G4 (Fuhrman)
has curation status
http://purl.obolibrary.org/obo/IAO_0000120
ontology term requester
NCI BBRB
term editor
Chris Stoeckert, Helena Ellis