Cancer in all forms is rapidly spreading in Papua New Guinea with cancer of the mouth now the second most common cancer among Papua New Guineans.
It makes up 15 percent of all cancer hospital admissions in PNG.
According to the PNG Cancer Foundation, research suggests about one in ten deaths in PNG is due to cancer.
Mouth cancer is often found in provinces where betel nut chewing is common.
The foundation's chief executive, Dadi Toka Junior, says mouth cancer and the role played by betel nut is the focus of this year's awareness campaign.