What is Malignancy of undefined primary origin - Meaning and definition

Malignancy of undefined primary origin

Metastatic malignancy identified on the basis of a limited number of tests, without an obvious primary site, before comprehensive investigation.

Malignancy of undefined primary origin (n.d.) In Pallipedia. Houston: IAHPC. Retrieved from http://pallipedia.org/malignancy-of-undefined-primary-origin/. Accessed on