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Colorectal Cancer

Colorectal Cancer

A 44-year-old patient with a history of stage IIB colorectal cancer at the hepatic flexure, invading the duodenum and pancreas, was initially diagnosed in September 2005 and received modified Whipple surgery and 8 cycles of adjuvant chemotherapy with capecitabine and oxaliplatin every 3 weeks.

In the United States, approximately 20% of patients with colorectal cancer present with distant metastasis at diagnosis. In 25% of cases, the peritoneal cavity is the only site of metastatic disease, which is not indicative of a generalized systemic disease, as is the case with lung or liver metastases.

The occurrence of colon cancer on the right vs left side of the colon is a prognostic factor for all stages of the disease.

Patients with peritoneal metastatic colorectal cancer had significantly shorter overall survival compared with patients with other isolated sites of metastases.

The expansion of healthcare in Massachusetts in 2006 was associated with increased rates of resection for patients with colorectal cancer.

Colonoscopy screening is modestly effective for preventing colorectal cancer in patients aged 70 to 74, but the benefits may begin to diminish after that.

A set of genes that are more likely to be mutated in African-Americans vs Caucasians with colorectal cancer appears to increase the risk of metastases and relapse in mutant versions.

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