| Kidney cancer is a type of cancer that originates | | | | diagnostic mark of all types of kidney cancers. |
| from the renal tubule and the renal pelvis of the | | | | Sometimes cancer in the kidney may be |
| kidney. There are two common types of kidney | | | | secondary, the result of metastasis. This is |
| cancer. One is the renal cell carcinoma and the | | | | spreading from a primary cancer source |
| other is the renal pelvis carcinoma. Most cancers | | | | elsewhere in the body to the kidney. There are |
| that originate in the renal tubule are renal cell | | | | certain types of kidney cancer that have a |
| carcinoma and cell adenocarcinoma while those | | | | known hereditary risk. Worldwide, North America |
| that originate from the renal pelvis are transitional | | | | leads in the number of people diagnosed with |
| cell carcinoma. Other less common types include | | | | kidney cancer every year. |
| squamous cell carcinoma, renal oncocytoma and | | | | Fewer cases have been reported in Asia and |
| mesoblastic nephroma. | | | | Africa. In the United Kingdom, cancer of the |
| One common symptom of kidney cancer is | | | | kidney is the eighth most common cancer in men. |
| palpable mass in the abdomen, hematuria and | | | | In Europe, kidney cancer accounts for nearly 3% |
| hydronephrosis. The mass is first felt in the | | | | of all cancer cases. It is the fourteenth most |
| anterior lumbar region, between the margins of | | | | common cancer in women worldwide. Wilms’ |
| the ribs and then grows to the umbilicus and then | | | | tumors are most kidney cancers reported in |
| up to the hypochondrium. Where the cases are | | | | children followed by congenital mesoblastic |
| extreme, the mass fills the entire belly. The | | | | nephroma. |
| location of the colon furnishes an important | | | | |