Silent Killers! 10 Deadly Cancers That Can Show No Signs or Symptoms

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5. Testicular cancer

The scary thing about testicular cancer is it’s just as likely to affect men between the ages of 20 and 45 as it is older males, says Cancer.Net. Testicular cancer typically develops in the germ cells, which are sperm-producing cells. While testicular cancer sounds daunting, the good news is that it is almost always curable if detected early, and it is typically still treatable even when it hits a later stage.

Some men do not experience any noticeable symptoms in the early stages of testicular cancer, but there are a few hallmark signs to look out for. One of the first signs is usually a small lump on the testicle or enlargement of the testicle itself. Though this lump may be no larger than a pea, it’s important to get it checked by a doctor just in case.

6. Kidney cancer

Kidney cancer may not be a type you hear about as frequently as others, but UCLA Health says it affects thousands of men and women each year. If diagnosed early, the chances of survival increase, but once the disease has advanced into later stages, it can be very difficult to treat. The tricky thing, though, is there often aren’t many symptoms early on.

It’s possible to experience pain between the upper abs and back on the side where the cancer is located, and it’s also possible to experience flu-like symptoms, fever, rapid weight loss, and fatigue. Unfortunately, most people do not experience any signs or symptoms until the cancer has reached a more serious stage.

7. Stomach cancer

We’re all familiar with stomach pain and nausea, but few of us ever consider frequent bouts of gastric pain may actually be related to stomach cancer. According to Cancer Treatment Centers of America, there are actually four different types of stomach cancer. Most cases start within the cells of the innermost stomach lining, and in the early stages, there are often no symptoms.

Some people do experience some stomach pain and nausea with this cancer, but because the symptoms match those of common bugs, many will not seek medical help. There is one peculiar symptom worth noting: a feeling of being extremely full, even after only eating a small meal. Others experience a lack of appetite and accompanying weight loss or heartburn.

8. Ovarian cancer

When abnormal cells in the ovaries begin to multiply out of control, tumors can form and spread to other areas of the body, says Healthline. While there are some symptoms associated with ovarian cancer, they can come and go and are very similar to symptoms of less serious illnesses.

Early symptoms for this disease include abdominal pain and bloating, difficulty eating in general, and an increase in urination. Heartburn, constipation, back pain, menstrual irregularities, and painful intercourse are also associated with ovarian cancer, but again, these symptoms alone may lead you to believe something else is amiss.

9. Liver cancer

The liver’s function is to filter the blood, so in the case of liver cancer, cancer cells from elsewhere in the body can actually lodge themselves in the liver and grow. Liver cancer can also start in the organ itself. Once the disease hits the later stages, it can then spread to other parts of the liver.

In the early stages of liver cancer, there are nearly no symptoms, and those that are present are ones you could attribute to other illnesses. Weight loss, loss of appetite, and abdominal pain may occur. There’s good news for those who have a healthy liver, though — it’s rare to develop the disease out of the blue. But for those who have chronic liver disease, it’s worth being really in tune to these symptoms.

10. Vaginal cancer

This type of cancer is rare, but because it has so few symptoms that can easily be ignored, it’s worth mentioning. According to Mayo Clinic, the most common type of vaginal cancer starts in the thin, flat cells that line the vagina’s surface, but it can also start in the pigment-producing cells or the connective tissue cells.

Most women who develop vaginal cancer don’t have symptoms early on, but as the cancer progresses, there are certain signs to look out for. Unusual vaginal bleeding may occur, and this can happen after intercourse or menopause. You may also feel a lump in your vagina and have painful, frequent urination.

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