A new definition of rectal cancer in the Netherlands prompted reclassification of cancer as sigmoid tumors, which could lead to better treatment. Rectal and sigmoidal tumors have been hard to ...

A group of experts advising the nation’s premier cancer-research institution has recommended changing the very definition of cancer and eliminating the word entirely from some common diagnoses as part ...

Defining cure in stage II and III colon cancer has been challenging, and has never been systematically studied. In an analysis of 15 randomized trials, colon cancer relapse risk fell to 0.5% by year 6 ...

Tumors are notoriously difficult to study in their natural habitat - body tissues - but a new synthetic tissue environment may give cancer researchers the next-best look at tumor growth and behavior.