Tumor, Node, Metastasis International Staging System for Lung Cancer

The Tumor, Node, Metastasis (TNM) staging system for lung cancer is an internationally accepted system used to characterize the extent of disease. The TNM system combines features of the tumor into disease stage groups that correlate with survival and are linked to recommendations for treatment.

Continue reading

Revised Criteria for Hereditary Non-Polyposis Colorectal Cancer (Lynch Syndrome)

Amsterdam Criteria (1991)

Three or more relatives with colorectal cancer, plus all of the following:

  • One affected patient should be a first-degree relative of the other two;

  • Colorectal cancer should involve at least two generations;

  • At least one case of colorectal cancer should have been diagnosed before the age of 50 years.

Continue reading