Cancer Diagnosis
Most of the cancers identified by signs or symptoms appear or through screening. These methods are not leading to a clear diagnosis, which usually requires a biopsy. Some cancers discovered accidentally during medical evaluation of unrelated problems.
Because cancer can also be caused by methylation at specific gene promoters, so early detection can be done by testing the genes into biomarkers for cancer. Some types of cancer have been known to his status of methylation biomarkers. For example for breast cancer BRCA biomarkers can be used, whereas for colorectal cancer biomarkers can use Sox17.
Early detection is very important. In some cancers such as colorectal cancer if found early opportunities for greater recovery. In addition, early detection can make it easier for doctors to give appropriate treatment.
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