Cancer is a large group of diseases characterized by uncontrolled spread and growth of abnormal cells (American Cancer Society, 2011.) In 2012, there were over 14 million cases of cancer registered worldwide, and almost 32.5 million people previously diagnosed with cancer were alive by the end of 2012. Cancer is one of the most common causes of death globally with over 8.2 million people died from cancer in the World in 2012 (Cancer Researh UK, 2015.)
The main purpose of cancer diagnosis and treatment programs is to cure or sufficiently prolong the life of cancer patients and also to
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