It is important to look for signs of stomach cancer in adults over the age of 55, however, it most commonly affects those in their 60s or 70s. While it is crucial to be aware of the signs of stomach cancer in females, men are more likely to develop stomach cancer. In 2020, 16,980 men and 10,620 women are projected to be diagnosed with the disease. Men have a lifetime risk of 1 in 95 of developing stomach cancer, while women have a 1 in 154 risk. The signs of stomach cancer in men are typically no different than in women.