Genetic Lung Cancer. You may already know that genes are pieces of dna that carry the instructions your body needs to work. Most gene mutations that lead to lung cancer happen because of things you ve been exposed to.
The most common genetic changes that we test for in lung cancer are in the genes egfr kras and alk. Epidermal growth factor. When lung cancer is related to inherited genetic changes the cancer risk follows an autosomal dominant pattern which means one copy of the altered gene in each cell is sufficient to increase a person s chance of developing the disease.
The kras gene mutation is found in about 30 percent of all nsclcs.
Tobacco is the most common cause of genetic changes to lung cells but it isn t the only one. Is lung cancer genetic. Some types of. Evidence of genetic risks.