Our 24/7 cancer helpline provides information and answers for people dealing with cancer. We can connect you with trained cancer information specialists who will answer questions about a cancer diagnosis and provide guidance and a compassionate ear.?
Chat live online
Select the?Live?Chat button at the bottom of the page?
Our highly trained specialists are available 24/7 via phone and on weekdays can assist through online chat.?We connect patients, caregivers, and family members with essential services and resources at every step of their cancer journey. Ask us how you can get involved and support the fight against cancer. Some of the topics we can assist with include:
Referrals to patient-related programs or resources
Donations, website, or event-related assistance
Tobacco-related topics
Volunteer opportunities
Cancer Information
For medical questions, we encourage you to review our information with your doctor.
Cancer of Unknown Primary Causes, Risk Factors, and Prevention
Learn about the possible risk factors for cancer of unknown primary.
Risk Factors
Since the exact type of cancer is not known, it’s hard to identify factors that might affect risk. But research has provided some information about possible risk factors for these cancers.