Personal Genome Diagnostics (PGDx) received a new contract from the U.S. Department of Veterans Affairs to provide a test for cancer that does not require tissue samples.

The Canton-based company makes a liquid biopsy, which tests for cancer by evaluating 64 genes that are associated with cancer.

The test can be conducted through a blood test, rather than obtaining tissue samples through a traditional biopsy or conducting an ultrasound. The test can also be conducted multiple times during treatment, providing a “real-time livestream of what’s happening at the genetic level in the patient’s tumor or tumors,” PGDx Manager for Translational Science and Diagnostics John Simmons told Technical.ly last year.

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