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Articles 1 - 5 of 5
Full-Text Articles in Medicine and Health Sciences
Nodal Ratios In Node-Positive Breast Cancer—Long-Term Study To Clarify Discrepancy Of Role Of Supraclavicular And Axillary Regional Radiotherapy, Patricia Tai, Kurian Joseph, Evgeny Sadikov, Shazia Mahmood, Francis Lien, Edward Yu
Nodal Ratios In Node-Positive Breast Cancer—Long-Term Study To Clarify Discrepancy Of Role Of Supraclavicular And Axillary Regional Radiotherapy, Patricia Tai, Kurian Joseph, Evgeny Sadikov, Shazia Mahmood, Francis Lien, Edward Yu
Edward Yu
Purpose: To study the absolute number of involved nodes/the number of nodes examined or the nodal ratio (NR) in breast cancer. The primary study endpoint was to evaluate the role of supraclavicular and axillary radiotherapy (SART) according to the NR. Methods and materials: From the Saskatchewan provincial registry of 1981-1995, the charts of 5,996 consecutive patients were retrieved to collect detailed prognostic factors. Among these patients, 1,985 were node positive. Because the NRs are more reliable the greater the number of nodes examined, we analyzed 1,255 patients with > or =10 nodes examined. Of these 1,255 patients, 667, 389, and 199 …
Disease-Specific Survival For Limited-Stage Small-Cell Lung Cancer Affected By Statistical Method Of Assessment, Patricia Tai, Judith-Anne Chapman, Edward Yu, Dennie Jones, Changhong Yu, Fei Yuan, Lee Sang-Joon
Disease-Specific Survival For Limited-Stage Small-Cell Lung Cancer Affected By Statistical Method Of Assessment, Patricia Tai, Judith-Anne Chapman, Edward Yu, Dennie Jones, Changhong Yu, Fei Yuan, Lee Sang-Joon
Edward Yu
Background: In general, prognosis and impact of prognostic/predictive factors are assessed with Kaplan-Meier plots and/or the Cox proportional hazard model. There might be substantive differences from the results using these models for the same patients, if different statistical methods were used, for example, Boag log-normal (cure-rate model), or log-normal survival analysis. Methods: Cohort of 244 limited-stage small-cell lung cancer patients, were accrued between 1981 and 1998, and followed to the end of 2005. The endpoint was death with or from lung cancer, for disease-specific survival (DSS). DSS at 1-, 3- and 5-years, with 95% confidence limits, are reported for all …
3d Thoracoscopic Ultrasound Volume Measurement Validation In An Ex Vivo And In Vivo Porcine Model Of Lung Tumours, V. Hornblower, E. Yu, A. Fenster, J. Battista, R. Malthaner
3d Thoracoscopic Ultrasound Volume Measurement Validation In An Ex Vivo And In Vivo Porcine Model Of Lung Tumours, V. Hornblower, E. Yu, A. Fenster, J. Battista, R. Malthaner
Edward Yu
The purpose of this study was to validate the accuracy and reliability of volume measurements obtained using three-dimensional (3D) thoracoscopic ultrasound (US) imaging. Artificial "tumours" were created by injecting a liquid agar mixture into spherical moulds of known volume. Once solidified, the "tumours" were implanted into the lung tissue in both a porcine lung sample ex vivo and a surgical porcine model in vivo. 3D US images were created by mechanically rotating the thoracoscopic ultrasound probe about its long axis while the transducer was maintained in close contact with the tissue. Volume measurements were made by one observer using the …
Esophageal Cancer, Edward Yu
Definitive Radiation Therapy Management For Medically Non-Resectable Clinically Localised Non-Small Cell Lung Cancer: Results & Prognostic Factors, Edward Yu, Patricia Tai, Robert Ash, Michael Lee, Larry Stitt, George Rodrigues, Rashid Dar, Mark Vincent, Richard Inculet, Richard Malthaner
Definitive Radiation Therapy Management For Medically Non-Resectable Clinically Localised Non-Small Cell Lung Cancer: Results & Prognostic Factors, Edward Yu, Patricia Tai, Robert Ash, Michael Lee, Larry Stitt, George Rodrigues, Rashid Dar, Mark Vincent, Richard Inculet, Richard Malthaner
Edward Yu
The aim of this paper is to review the experience of radical radiation therapy and the prognostic factors of patient outcome for clinically localised, medically inoperable non-small cell lung cancer (NSCLC) patients. Clinically staged node-negative NSCLC patients who were not a surgical candidates due to co-morbid diseases but who were eligible for curative treatment, were reviewed in the London Regional Cancer Program (LRCP). This study population was treated between 1st Jan 1985 to 31st Jan 2004. Patients were excluded if they were previously treated with chest radiotherapy. Patients with localised disease, but who refused surgery, were also included in the …