Dean Shumway

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PURPOSE To characterize the adoption and variation of intensity-modulated radiation therapy (IMRT) use in the state of Michigan. METHODS As a certificate-of-need state, Michigan requires every radiation oncology facility to report the number of external-beam and IMRT treatments delivered annually. We examined the percentage of treatments delivered using(More)
OBJECTIVE Provider communication that supports patient autonomy has been associated with numerous positive patient outcomes. However, to date, no research has examined the relationship between perceived provider communication style and patient-assessed decision quality in breast cancer. METHODS Using a population-based sample of women with localized(More)
OBJECTIVE Much of what is known about the significance of human papillomavirus (HPV) in oropharyngeal squamous cell carcinoma is derived from single-institution retrospective studies, post hoc analyses of tissue specimens from clinical trials, and tissue bank studies with a small sample size. The objective of this study is to investigate the impact of HPV(More)
BACKGROUND The authors examined racial/ethnic differences in patient perspectives regarding their breast cancer treatment experiences. METHODS A weighted random sample of women newly diagnosed with breast cancer between 2013 and 2015 in Los Angeles County and Georgia were sent surveys 2 months after undergoing surgery (5080 women; 70% response rate). The(More)
PURPOSE We hypothesized that elderly patients might have age-specific genetic abnormalities yet be underrepresented in currently available sequencing repositories, which could limit the effect of sequencing efforts for this population. METHODS AND MATERIALS Leveraging The Cancer Genome Atlas (TCGA) data portal, 9 tumor types were analyzed. The frequency(More)
Although clinical trials have shown no survival advantage and only a modest improvement in local control from adjuvant radiotherapy after lumpectomy in older women with stage I, estrogen receptor-positive (ER+) breast cancer, radiotherapy is commonly administered, raising concerns about overtreatment. Therefore, we sought to evaluate physician views on(More)
OBJECTIVE To investigate the influences of inflammatory bowel disease (IBD), a rare but morbid disease with increasing incidence, on prostate cancer management decisions. We examined whether prostate cancer treatment differed for men with IBD, and whether treatment choice was associated with risk of IBD flare. MATERIALS AND METHODS Using Veterans Health(More)