has specified input has_input assay assay specimen tumor grading grading of tumor Helen Parkinson and Adam Witney Compiled by Helen Parkinson for Transcriptomics thanks to Adam Witney An assay that determines the grade (severity/stage) of a tumor sample, used in cancer biology to describe abnormalities/qualities of tumor cells or tissues. Values can be described by terms from NCI Thesaurus. tumor grading OBI branch derived; submitted by MO disease staging pending final vetting