Is low-score glandular gastric cancer contagious?

Gastric cancer can occur at any age, but is more common in people aged 40 to 60, with men outnumbering women by about 2:1. The cause of the disease is unknown, and it may be related to a variety of factors, such as lifestyle, diet, environmental factors, genetic factors, mental factors, etc. It is also related to chronic gastritis, gastric polyps, gastric mucosal dysplasia and intestinal metaplasia, postoperative residual stomach, and long-term Helicobacter pylori (HP) infection. Is low-grade gastric cancer contagious?

Experts point out that gastric cancer is not like other germs that can be transmitted from one person to another. Even if sexual intercourse occurs, it will not be transmitted to another person through sexual contact. The reason is simple. Cancer is not an infectious disease. It cannot transmit oncogenes into other people's bodies through any means to cause cancer. Even if cancer cells are implanted into other people's bodies, they cannot survive. Because to oneself, other people's cancer cells are a kind of foreign body. The body can kill other people's cancer cells through its powerful immune rejection ability. Therefore, it can be absolutely said that gastric cancer is not contagious. The simplest reason is that tumors are not infectious diseases. It cannot transmit oncogenes into other people's bodies through any means to cause tumors. Even if tumor cells are transplanted into other people's bodies, it is difficult for them to survive because of the existence of rejection reactions.