Despite all that we know about cancer today, some types of cancers are still increasing in frequency. Lung cancer among nonsmoking women is one of these. What reason(s) might there be for this increasing problem?

Question 1. Describe and explain the epidemiological evidence supporting the view that cancer develops through a multi-step process involving increasingly severe stages.. Question 2. Describe and explain the genetic evidence supporting the view that cancer develops through a multi-step process involving increasingly severe stages.

D Question 18 Your patient's biopsy report indicates they have "cancer in situ". This means: Abnormal cells are present, they have not invaded local cells O Cells are normal, they will become cancer cells in the near future Abnormal cells are present, they have invaded a small number of local cells Cells are normal, they will not become cancer cells unless stimulated « Previous

Cancer is a genetic disease. To provide evidence that you understand cancer genes are altered in both sporadic (somatic) and inherited cancers, match the beginning and end of the sentences below to give correct statements.