By the way, the thinner walls of lymphatic vessels are easier to penetrate, which is why examining lymph nodes plays a major role in cancer detection.

Already the results of their work have been excellent - with findings in relation to the spread of cancer through the lymphatic vessels prompting a much larger study funded by cancer Research UK.

Vascular invasion - through lymphatic and blood vessels - is the major route for cancer spreading to regional lymph nodes and to the rest of the body.