Do you know about cancer??? In this world have many kind of cancer..
cancer develope when the cell divide and multiply rapidly..when the cells continue multiplying although the body doesn't need it. as the result, the cell grow and become tumor.
These growths are consider either benign or malignant. Benign is considered non-cancerous and malignant is cancerous.Benign tumors rarely are life threatening and do not spread to other parts of the body. They can often be removed.
The example of the cancer are bladder cancer,Kidney (Renal Cell) Cancer,Penile Cancer,
Prostate Cancer,Renal Pelvis and Ureter Cancer, Transitional Cell,Testicular Cancer,Urethral Cancer,Wilms' Tumor and Other Childhood Kidney Tumors.
About.com:cancer
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