释义 |
DictionarySeetumorprimary tumor
primary tumor A neoplasm which, in clinical parlance, is regarded as malignant, arising in one site and capable of giving rise to metastatic or secondary tumors. See Metastasis. Cf Tumor of unknown origin. primary tumorIn a patient with metastatic cancer, the lesion assumed to be the source of the metastases.See also: tumor |