gross tumor volume


Also found in: Dictionary, Thesaurus, Legal, Financial, Acronyms, Encyclopedia, Wikipedia.
Related to gross tumor volume: Clinical Target Volume

gross tumor volume

The demonstrable extent of a tumor seen or felt with standard examination techniques. The gross tumor volume is used in radiation oncology as the basis for initial estimates of the extent of a tumor that will undergo treatment with external beam radiation or brachytherapy.
See also: volume