Steven Li Chen

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Since the introduction of sentinel node biopsy in 1990 as a minimally invasive surgical technique for the diagnosis of melanoma lymphatic metastases, the number of applications has expanded. We review applications and the current status of sentinel node biopsy in melanoma, breast, colon, gastric, esophageal, head and neck, thyroid, and lung cancer.(More)
The American Society of Breast Surgeons (ASBrS) endorses the American Board of Internal Medicine's Choosing Wisely campaign statement: ''Don't routinely perform a double mastectomy in patients who have a single breast with cancer.'' 1 However, women with a newly diagnosed unilateral breast cancer are increasingly opting for bilateral mastectomy. This has(More)
In cellular mobile communications, how to achieve optimum system capacity with limited frequency spectrum is one of the main research issues. Many dynamic channel assignment (DCA) schemes have been proposed and studied to allocate the channels more efficiently, thus, the capacity of cellular systems is improved. Reuse partitioning (RP) is another technique(More)
The American Society of Breast Surgeons (ASBrS) encourages an evidence-based and patient value focused approach to contralateral prophylactic mastectomy (CPM). The ASBrS convened a panel of experts to develop a consensus statement on CPM. 1 The majority of women will obtain no oncologic benefit from CPM, and therefore CPM should be discouraged in(More)
BACKGROUND Current breast cancer care is based on high-level evidence from randomized, controlled trials. Despite these data, there continues to be variability of breast cancer care, including overutilization of some tests and operations. To reduce overutilization, the American Board of Internal Medicine Choosing Wisely (®) Campaign recommends that(More)
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