Gastric or stomach cancer is the fourth most common type of cancer.
It's also the second most common cause of cancer deaths worldwide.
It's found in the lower part of the stomach.
Rates for the cancer have been declining in all ages and races until now.
The National Cancer Institute studied cancer rates in a quarter of U.S. adults over a 30-year period.
The study overall confirmed rates are dropping, except for whites aged 25-39.