G4: Undifferentiated

Go to external page http://purl.obolibrary.org/obo/OBI_0002209


A histologic grade according to AJCC 7th edition indicating that the tumor cells are undifferentiated and do not look like normal cells and tissue.

Instance info

definition source

https://www.cancer.gov/about-cancer/diagnosis-staging/prognosis/tumor-grade-fact-sheet

editor preferred term

G4: Undifferentiated

has curation status

http://purl.obolibrary.org/obo/IAO_0000120

term editor

Chris Stoeckert, Helena Ellis