made, done, presented, etc., in good faith; without deception or fraud: a bona fide statement of intent to sell. 2. authentic; true: a bona fide sample of Lincoln's handwriting. Origin of bona fide.
A genetic test that could determine men at the highest risk of developing aggressive disease could change how prostate cancer is treated, he says, since doctors would be able to more accurately predict which men would need more rigorous follow-up and which men likely wonât have to worry about their prostate that much.
Blood tests for tumor antigens/antibodies produced against tumors are called tumor marker tests. They can be used to detect first-time cancer and cancer relapses. Genetic Tests When individuals test positive for the presence of marker genes, such as the BRCA1 breast cancer oncogene, they should be vigilant for signs of cancer.