What does breast cancer discoloration and swelling look like when it first starts ... presents as a lump or thickening in the breast tissue, changes in the skin texture or color of the breast ...

An endoscopy can help healthcare professionals diagnose stomach cancer. The test uses a camera to see the stomach and help with taking a biopsy of the tissue. An endoscopy is a minimally invasive ...

So scientists have begun developing screening methods that test for aneuploidy in patients’ blood and tissue ... to look for any genetic anomalies characteristic of an invasive cancer.

4 Changes in the patterns and levels of DNA methylation can distinguish cancer-tissue DNA from healthy-tissue DNA. Importantly, because DNA methylation is tissue-specific, methylation profiling ...

Colorectal cancer can seem a lot like some common gastrointestinal ... You could also see blood in the toilet or on tissue if you have hemorrhoids, though it usually looks bright red.