Abnormal resistance in the abdomen, for example, can point to the presence of tumors as well as enlarged organs. (scientificamerican.com)
In the case of the ovarian cancer tests, for instance, high levels of CA 125, which is made in the ovaries, should in theory signify the presence of extra ovarian cells — in other words, the presence of a tumor. (scientificamerican.com)
The pathologist of the Department of Pathology at the University Hospital of Bellvitge August Vidal explained that «this tumorigenic transformation depends on Dicer protein that could serve as a marker for the presence of tumor cells, or as a therapeutic target.» (sciencedaily.com)