FDG-avid
C2CEFR level
98/100Rarity: very rare
TechnicalRegister
Showing increased uptake of the radiotracer fluorodeoxyglucose on PET, reflecting high metabolic activity.
A markedly FDG-avid mediastinal node was highly suspicious for nodal metastasis.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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