A strong fear of suffering from the disease of malignancy: Cancerphobia more commonly affects anyone who has directly cared for a loved one who has experienced significant pains or disfigurements for an extended period before dying.

Cancerphobia is an anxiety disorder which consists of a chronic angst of developing a tumor that can cause tremendous feelings of sadness, fear, panic, and distress.

In some cases, cancerphobia can be so extreme that it prevents a person from living a normal life and it is considered to be one of the most common types of health-related phobias.