Local Hepatic Therapies for Metastases to the Liver From Unresectable Colorectal Cancer Executive Summary
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چکیده
CRC is the fourth most frequently diagnosed cancer and the second leading cause of cancer death in the United States.1 It is a cancer that forms in the tissues of the colon and the rectum. Most colorectal cancers are adenocarcinomas, meaning that they are a cancer of the epithelium originating from glandular tissue. Adenocarcinomas develop from adenomas, which are noncancerous tumors in the epithelial tissue. Over time, adenomas can become cancerous. This progression from adenoma to adenocarcinoma occurs through a sequential process of accumulating genetic changes.2 Although the most common type of CRC is adenocarcinoma, squamous carcinoma and adenosquamous carcinoma have been reported infrequently.3 Effective Health Care Program
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