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由于扩散或转移而在距离原发癌远处组织内出现的肿瘤对药物或放射治疗具有特别的抗力。泰因河畔纽卡斯尔大学的二项新研究提出,与天然的促生长物质(表皮生长因子(EGF))起反应的肿瘤是最易扩散的肿瘤。据新近的研究,发现人乳腺癌和膀胱癌之间有联系,诚属意外。纽卡斯尔大学的外科、临床肿瘤学和癌瘤研究部门的Richard Sainsbury及其同事发现,可能扩散到脑和肝的乳腺癌在其细胞膜内有EGF受体(《Lancet》,
Tumors that occur in distant tissue from primary cancer due to diffusion or metastasis have particular resistance to drugs or radiation therapy. Two new studies at the University of Newcastle upon Tyne have proposed that tumors that react with natural growth-promoting substances (epidermal growth factor (EGF)) are the most proliferative tumors. According to recent research, it has been found that there is a link between human breast cancer and bladder cancer, which is an accident. Richard Sainsbury and colleagues at the Department of Surgery, Clinical Oncology, and Cancer Research at Newcastle University found that breast cancer that may spread to the brain and liver has EGF receptors in its cell membrane (Lancet,