Signs is a signal that is identified by self or the other person say a loved one, doctor, nurse or a health care professional. Sings for any disease can be fever, fast breathing, abnormal lung sounds or any other. Such signs indicate that there is something wrong in the body. symptom is just similar to sign. Symptoms are more specific because they show similarity to a particular disease. For example, weakness, aching, and feeling short of breath may be symptoms of pneumonia.
1. Signs and symptoms do not specify a particular disease. One sign can indicate many diseases. For instance, a rash in a child’s body can be a sign of anything such as poison ivy, measles, a skin infection, or a food allergy. But if the child has the rash along with other signs and symptoms like a high fever, chills, achiness, and a sore throat, then consultation of doctor is necessary. Sometimes, a patient’s signs and symptoms still don’t give the doctor enough clues to be sure what is causing the illness. In such cases medical tests, such as x-rays, blood tests, or a biopsy can give a clear picture of the disease.
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2. Cancer is a group of diseases and there are many signs and symptoms that can indicate cancer. The signs and symptoms of cancer depend upon the type of cancer a person is having, how big the cancer is and what level has it reached. Accordingly, signs and symptoms may appear on different parts of the body. As cancer grows, it spreads in different parts like blood vessels and nerves. This pressure causes the signs and symptoms.
3. Sometimes cancer doesn’t indicate any signs or symptoms unless it becomes very large. For example, cancers of pancreas do not give any signs until they grow large enough. By the time a pancreatic cancer causes signs or symptoms like yellow eyes or any other, the disease is usually in an advanced stage. This means it has grown and spread beyond the place it started.
4. Symptoms of cancer can also be fever, extreme tiredness, or weight loss. These symptoms occur due to excessive usage of body’s energy supply by the infected cells. Cancer causes the immune system to react in different ways which leads to such symptoms.
5. Cancer cells sometimes cause symptoms which are not related to cancer. This happens because cancer cells release substances into the bloodstream. For example, some cancers of the pancreas release substances that cause blood clots in veins of the legs. Some lung cancers make hormone-like substances that raise blood calcium levels. This affects nerves and muscles, making the person feel weak and dizzy.
Cancer is of many types and every cancer has different types of symptoms and signs. These may not be related to each other and sometimes may be similar as well. Also signs of symptoms of cancer might not be seen in the initial stage but can be visible at the last stage as well.
