Symptoms, Signs, Diagnosis, and Complications of Cancer

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Introduction
Cancer is an ailment where the cells in a particular part of the body multiply uncontrollably to form swellings of tissues called tumors (National Cancer Institute, 2015). Cancers are fatal, but researches indicate that if a cancer patient is diagnosed early, through appropriate treatment, cancer can be controlled. This paper seeks to analyze the different forms of cancer that have different symptoms although many of them tend to undergo similar stages, diagnosis, and complications. Cancer cases are increasing globally and accounts for 14.6% of all mortalities. Understanding what cancer is and its causes would make people be aware of more ways of preventing cancer.
There are many kinds of cancer. Leukemia is a form of cancer that has no swellings, but it prohibits the normal blood functionality by having abnormal cell division in the blood stream. The swellings grow and releases hormones that affects the body functionality and can interfere with the digestive, nervous and circulatory systems. Benign are tumors that have limited growth. Cancers start from one part of the body and spreads to other parts known as metastasis. There are different types of cancers with its own means of diagnosis and cure. Tumors are malignant if a cell that is cancerous spreads all over the body using the blood or lymph damages well tissues in a procedure known as invasion. New blood vessels made when cells divide and grow feeding themselves a procedure termed angiogenesis.
Symptoms and Signs of Cancer
Cancer symptoms and signs are particular to the kind and rating of the ailment. The symptoms vary and depend on the location of the cancer and its size. Some form cancer show or felt on skin, swelling on testicles or breast is a sign of cancer. Melanoma skin cancer appears as a wart or mole on skin. White patches on tongue or mouth can be an oral cancer. Brain cancer disturbs significant cognitive functions. Pancreas often interferes with the liver functions and often leads to jaundice (Kudo, 2015). Colon cancers can cause signs of constipation, diarrhea, and change in stool size. Prostate or Bladder cancer can cause issues of regular or irregular urination.
Since, cancer cells use the energy of the body it distresses the usual hormone function. The signs are tiredness, weight loss, ache, skin changes, and changes in the functions of the bowel and bladder, abnormal bleeding, insistent cough, vocal change, fever and swellings. The symptoms are common to other disease such as coughing can be cancer of throat or lungs or even a common cold.
Metastasis can affect new areas by appearing as swelling of lymph nodes (Dermime, 2013). Spreading of cancer to the brain can cause headaches, dizziness, or convulsions. When the cancer spreads to the lungs, it causes shortness of breath and persistent coughs. It can cause enlarging of the liver and bones can be weak causing them it to be brittle and painful. Biopsy is examining a sample of alleged cancer tissue from a patient. The process of diagnosing cancer accurately can take weeks or months.
There are five groups that classify cancer. Carcinomas are category of cells that cover the interior and exterior parts of the bod...