What is the greatest risk factor for the following patients developing cancers:
1- Breast cancer of a 55 yo F with a family history of breast cancer in the mother at the age of 42 and a past medical history of PCO.
- a- age
- b- family history of breast cancer
- c- a personal history of PCO
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2- Lung cancer of a 60 yo M with a history of 40 pack/year smoking and exposure to asbestos
- a- age
- b- smoking
- c- asbestos exposure
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3- Prostatic cancer of a 70 yo M African American with a personal history of mild BPH
- a-age
- b- race
- c- history of BPH
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