http://www.articleheaven.com en-us editorial@articleheaven.com There are more than 100 different forms of cancer. Cancer occurs when cells become abnormal and continue to divide and form cells without control or order, forming a growth or tumor. Benign tumors are NOT cancerous; malignant tumors are cancerous. Cancer ... http://www.articleheaven.com/article_567774_14.html 01st July 2008