Given the high prevalence of alternative therapies used in San Francisco by the four ethnic groups and the relatively poor communication between patients and doctors, physicians who treat patients with breast cancer should initiate dialogues on this topic to better understand patients' choices with regard to treatment options.

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BACKGROUNDInformation is limited for Asian subgroups regarding survival after diagnosis of the common cancers amenable to routine screening. The authors examined survival after carcinomas of the prostate, colon/rectum, breast, and cervix separately for Chinese, Japanese, Filipinos, and non‐Hispanic whites in the United States.METHODSUsing data from the Surveillance, Epidemiology, and End Results program, the authors compared the distributions of stage at diagnosis and computed 5‐year cause specific survival probabilities, overall and by stage of disease, for cancer patients whose diagnosis was in 1988–1994 and who were observed through 1997.RESULTSAmong males, Filipinos were more likely to be diagnosed with advanced stage colorectal and prostate carcinomas than other Asians and non‐Hispanic whites; they also experienced worse survival after these cancers. This survival deficit occurred across all stages of colorectal carcinoma and remained apparent within distant stage prostate carcinoma. Among females, Chinese were less likely to receive diagnoses of early stage colorectal carcinoma than Japanese and Filipinas. In addition, their survival was consistently lower across more advanced stages of disease. Chinese also experienced somewhat worse survival after diagnosis of early stage cervical carcinoma. Japanese were more likely to be diagnosed with early stage carcinomas but also tended to experience better survival after prostate, colorectal, and breast carcinomas regardless of stage.CONCLUSIONSChinese, Japanese, and Filipinos experienced unequal survival after these screenable carcinomas, indicating that certain groups may benefit from more aggressive screening efforts. The heterogeneity of cancer outcomes observed within the community classified as Asian reinforces the need for cancer statistics to be reported for disaggregated subgroups. Cancer 2002;94:1175–82. © 2002 American Cancer Society.DOI 10.1002/cncr.10319

One of the most often studied associations in epidemiology is dietary fat and breast cancer risk. That migrants from low-risk countries increase their risk on immigrating to higher-risk countries suggests that some modifiable lifestyle or environmental factor is responsible for the development of breast cancer. Although early international correlational studies and experimental animals studies support dietary fat as a risk factor for breast cancer, more recent data from case-control studies and cohort studies have been equivocal, thus the analytical data do not support a strong positive association. The conflicting results from analytic studies may be due to methodologic issues associated with study design, dietary assessment tools, measurement error, improper statistical analyses, and a lack of heterogeneity in fat intake among the study population. Moreover, current dietary questionnaires may be inadequate in capturing true dietary intakes or capturing the risk with exposure during earlier periods of a woman's life. Although two large clinical trials investigating the fat/breast cancer relationships issue are underway, researchers are generally skeptical at their ability to detect an independent association between fat and breast cancer risk. Further epidemiologic studies using current methodology may not prove to be fruitful in generating definitive answers to shed light on this controversial issue. In addition, rather than concentrating on dietary fat, researchers should focus on diets that are not only low in saturated fat, but also high in fruit and vegetable consumption. Researchers should take advantage of advances in molecular and genetic technology for a different perspective in examining the issue. For example, markers of susceptibility to breast cancer that can detect women at higher risk for breast cancer may be helpful in clarifying the role of dietary fat. More comprehensive and multiple approaches to studying dietary factors and breast cancer are recommended.

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Chinese, Japanese, and Filipinos experienced unequal survival after these screenable carcinomas, indicating that certain groups may benefit from more aggressive screening efforts. The heterogeneity of cancer outcomes observed within the community classified as Asian reinforces the need for cancer statistics to be reported for disaggregated subgroups.

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