ahlam1399
08-28-2019, 11:04 PM
Cancer is the name given to a collection of related diseases where some of the body's cells begin to divide uncontrollably and spread into surrounding tissues. There are many specific types of cancers, but, generally, cancers fall under five major categories: carcinoma, sarcoma, melanoma, lymphoma, and leukemia.
أكثر... (http://EzineArticles.com/9563896)
أكثر... (http://EzineArticles.com/9563896)