Robert G Pearcey

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BACKGROUND Despite evidence of the benefits of exercise in cancer survivors, exercise participation rates tend to decline after treatments. Few studies have examined the determinants of exercise in less common cancer sites. In this study, we examined medical, demographic, and social cognitive correlates of exercise in endometrial cancer survivors using the(More)
BACKGROUND Fiducial markers and daily electronic portal imaging (EPI) can reduce the risk of geographic miss in prostate cancer radiotherapy. The purpose of this study was to estimate CTV to PTV margin requirements, without and with the use of this image guidance strategy. METHODS 46 patients underwent placement of 3 radio-opaque fiducial markers prior to(More)
Patients who experience local failure following radiation treatment of epithelial malignancies exhibit a substantially higher rate of distant metastasis than those patients who achieve permanent local control. This fact has raised concern that the local failure to control the primary/regional tumor may serve as a marker of a particularly malignant neoplasm,(More)
BACKGROUND Treatment options for patients with nonbulky stage IA-IIA Hodgkin lymphoma include combined modality therapy (CMT) using doxorubicin, bleomycin, vinblastine and dacarbazine (ABVD) plus involved-field radiation therapy (IFRT), and chemotherapy with ABVD alone. There are no mature randomized data comparing ABVD with CMT using modern radiation(More)
The variable and delayed access to effective cancer drugs was compounded in 2007 by the appearance of still more drugs, a trend that will undoubtedly continue in cancer. The current data indicate that two-tier, or multi-tier medicine is becoming well established in the eastern half of Canada, at least as far as provision of new oral take-home cancer drugs(More)
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