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PURPOSE To determine whether there is a benefit to adjuvant radiation therapy after breast-conserving surgery and tamoxifen in women age ≥ 70 years with early-stage breast cancer. PATIENTS AND METHODS Between July 1994 and February 1999, 636 women (age ≥ 70 years) who had clinical stage I (T1N0M0 according to TNM classification) estrogen receptor (ER)(More)
BACKGROUND In women 70 years of age or older who have early breast cancer, it is unclear whether lumpectomy plus tamoxifen is as effective as lumpectomy followed by tamoxifen plus radiation therapy. METHODS Between July 1994 and February 1999, we randomly assigned 636 women who were 70 years of age or older and who had clinical stage I (T1N0M0 according(More)
Eighty-eight cancer patients with the presence of one or more adverse factors for healing (carcinomatosis, adhesions, prior chemotherapy and radiation therapy, bowel obstruction, anemia, and low leukocyte count or albumin value) were prospectively randomized to undergo conventional two-layer hand suturing (45 patients) or mechanical stapling with a GIA/TA(More)
BACKGROUND Invasive ductal carcinomas of the breast frequently have an intraductal (in situ) component at the tumor periphery that, in some cases, is included in the measurement of the tumor and thereby increases the size of the tumor beyond that of the invasive component. METHODS Thirty-seven ductal carcinomas containing intraductal and invasive(More)
BACKGROUND Glycosylated proteins play important roles in cell-to-cell interactions, immunosurveillance, and a variety of receptor-mediated and specific protein functions through a highly complex repertoire of glycan structures. Aberrant glycosylation has been implicated in cancer for many years. METHODS We performed specific MALDI mass spectrometry(More)
This article presents the author's current approaches to the management of breast cancer in older women, with emphasis on clinical and surgical treatment of the disease in this population. There are controversies surrounding the management of breast cancer in this population regarding adjuvant therapy, radiation therapy and surgical options. We endeavor to(More)
Diabetic mastopathy is a recently described collection of histopathological features found in dense fibrous breast masses in insulin-requiring diabetics. Fifty-seven breast biopsy specimens showing nonspecific benign disease were examined in a blinded fashion from 21 diabetics (seven insulin-requiring, 14 non-insulin-requiring), 30 age-matched controls and(More)
In this report, we describe for the first time the isolation and purification of a multiprotein complex for DNA replication from MDA MB-468 human breast cancer cells. This complex, which we designate the DNA synthesome, fully supports the in vitro replication of simian virus 40 (SV40) origin-containing DNA in the presence of the viral large T-antigen. Since(More)
Two isoforms of proliferating cell nuclear antigen (PCNA) have been observed in breast cancer cells. Commercially available antibodies to PCNA recognize both isoforms and, therefore, cannot differentiate between the PCNA isoforms in malignant and nonmalignant breast epithelial cells and tissues. We have developed a unique antibody that specifically detects(More)