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"The purpose of the study was to determine the prognostic significance of triple negative breast cancers classified by three molecular markers - estrogen receptor, progesterone receptor and HER2/neu. They looked at the prognosis for the locoregional relapse and distant metastasis  of the disease and clinical evidence of distant disease based on clinical and/or radiographic findings in conservatively managed breast cancer patients, those treated with breast-conserving surgery followed by radiation therapy. Utilizing a database of 1,990 conservative managed patients, 482 patients were identified as having all three molecular markers available.  Of those patients, 117 were classified as triple negative since they were negative for all three markers and 365 were classified as non-triple negative. One of the more striking differences between the triple negative and the non-triple negative groups was the higher percentage of younger women with triple negative tumors, with only 37% of the triple negative group over 50 years at diagnosis compared with 55% of the non-triple cohort. Younger women have been shown to have a higher rate of local relapse compared with older women. Also, the triple negative group had a higher proportion of patients with strong family histories (defined as at least one first-degree relative with breast cancer) and patients in the triple negative group were more likely to be African American. Utilizing the three molecular markers as predictors, we demonstrated that patients with triple negative breast cancers have a relatively poor prognosis, with a poorer distant metastasis-free, disease-free, and cause-specific survival. However, local recurrences (tumors recurring within the conservatively treated breast) were not increased in the triple negative cohort. These results indicate that although these patients are at higher risk for metastasis, their local relapse rates are acceptable and they are candidates for breast conserving surgery and radiation. Future research should focus on new strategies to decrease distant metastasis in patients with triple negative breast tumors." (Comment on paper:  Haffty BG et al.: "Locoregional relapse and distant metastasis in conservatively managed triple negative early-stage breast cancer", J Clin Oncol. 2006 Dec 20;24(36):5652-7)

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 "This nationwide Danish study is based on 420,000 persons starting to use a mobile phone between 1982 and 1995 who were followed up for cancer until the end of 2002. The cancer rates in this group were compared with the cancer rates observed among the rest of of the Danish population and, as they were similar, we concluded that there is no association between short-term or long-term use of mobile phones and the risk of cancer. This was particularly so for brain tumors, which were of major interest to us, as the mobile phones are held to the head and most energy emitted by the phone is absorbed in the lateral regions of the brain. The strengths of this study are its representativity, as the whole population was included, and the objective way of dividing Danes into early users of mobile phones and the rest, due to availability of the customer files of all Danish network operators. But the study has also limitations, since we had no possibility to separate occasional users from intense users of mobile phones, and since not every user of mobile phone is a subscriber or every subscriber a regular user. In addition, our study shares the limitation with all other studies up-to-date, that even most long-term mobile phone users rather started recently, about 10-15 years ago, so further follow up is required to investigate whether there may be risk occurring only after 20 or more years of use.  Our study provides no evidence for a link between mobile phone use and cancer risk, based on a huge study population with a follow up of up to 21 years. However we strongly recommend further studies are needed to address a possible higher vulnerability to radio waves among children and potential risks among intense mobile phone users" (Comment on paper:    Schuz J et al.: "Cellular telephone use and cancer risk: update of a nationwide Danish cohort", J Natl Cancer Inst. 2006 Dec 6;98(23):1707-13 )

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