(ORDO NEWS) — Cancer rivals cardiovascular diseases in terms of the number of deaths in the world. While scientists are trying to find a way to get rid of these diseases, we will talk about the most terrible pathologies, from which it is almost impossible to recover.
Some types of cancer can be cured, but there are also tumors that lead to death very quickly. We present a list of the 5 most dangerous
Once diagnosed, the chance of survival for 5 years is only 10.8%. Pancreatic cancer begins in the tissues of the organ, and begins to affect digestion.
Cancer of the digestive system is generally quite deadly, but pancreatic cancer is the most dangerous of this group of diseases. Most pancreatic cancers are exocrine. This means that cancer occurs in cells that produce digestive enzymes.
Less commonly, cancer occurs in the endocrine cells of the pancreas, which produce hormones such as insulin. In this case, the disease is called a neuroendocrine tumor of the pancreas. Such tumors account for only 2% of pancreatic cancer cases, but the survival prognosis for their diagnosis is much better.
Mesothelium is a layer of cells that line certain body cavities and surround internal organs. Mesothelioma is a tumor of these cells. Three-quarters of mesothelioma develops in the mesothelium that surrounds the lungs, called the pleura. This type of cancer is called pleural mesothelioma.
The next most common type of mesothelioma forms in the peritoneum, the tissue that lines the abdomen and surrounds many abdominal organs such as the stomach and liver.
This type of cancer is called peritoneal mesothelioma. Rarely, mesothelioma occurs in the tissues surrounding the heart and testicles. Asbestos and mineral fiber exposure is the main cause of malignant pleural mesothelioma and may contribute to the development of peritoneal mesothelioma.
This cancer of the digestive system starts in the gallbladder. The gallbladder, located below the liver, concentrates and stores bile, which aids in digestion. Gallstones, which are small, hard deposits of cholesterol and other substances, greatly increase the risk of gallbladder cancer.
The esophagus is the tube that transports food from the throat to the stomach. Risk factors for esophageal cancer include older age, male gender, smoking, alcohol use, and having acid reflux, in which stomach acid flows into the lower esophagus.
Therapy depends on the stage of the cancer and may include surgery, chemotherapy, radiation, immunotherapy, or targeted therapy. The 5-year survival rate for patients with this diagnosis is approximately 20%.
Although liver cancer is rare in general, it has begun to increase in recent years. The most significant risk factor for developing liver cancer is chronic infections such as hepatitis B or C. Both of these infections are transmitted through bodily fluids such as blood and semen. The 5-year survival rate for this type of cancer is 20.3%.
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