Write down your complete medical history from childhood, mention any medications, be honest about alcohol
(type and amount of alcohol
a week, how many years, so just to feel peace and not thinking on this further), smoking, he will ask about some industrial polutants, asbest and other chemicals.
2. Family history of cancers (exact type, if possible, age of death) of all your 1st grade relatives. Also get info about eventual allergies and gastrointestinal diseases.