Sharon Osbourne, known for her role as the heavy metal mom on MTV's "The Osbournes" reality show and the daytime TV show The Talk, was diagnosed with colon cancer in 2002. Her family rallied around her and she took the diagnosis in stride.

Osbourne was 49 when she was diagnosed with colon cancer in 2002 Surgery revealed that the cancer had spread to her lymph nodes During chemotherapy, she almost gave up treatment — until an uplifting visit from Robin Williams shifted her attitude She later discovered she has the BRCA gene mutation and underwent a preventative double mastectomy

A week after the test, her results came out positive, confirming she had stage three colon cancer which already spread to her lymph nodes due to late detection. Advertisement

Chat show host Sharon Osbourne has revealed she has undergone a double mastectomy. The former X Factor judge decided to have surgery after learning she carries a gene which increases the risk of developing breast cancer.