scholarly journals 274. Definitive Radiation Therapy for Stage I, II Breast Cancer : Possibility in Tangential Irradiation for 10 MV X-ray Beams (Part 4)

1992 ◽  
Vol 48 (8) ◽  
pp. 1357
Author(s):  
Manabu Nakata ◽  
Naomi Enoki ◽  
Shinsuke Yano ◽  
Satoshi Fukumoto ◽  
Takashi Okada ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Radiation Therapy ◽  
Stage I ◽  
X Ray

scholarly journals The impact of sociodemographic factors on the utilization of radiation therapy in breast cancer patients in Estonia: a register-based study

2021 ◽  
Vol 20 (1) ◽  
Author(s):  
Fereshteh Shahrabi Farahani ◽  
Keiu Paapsi ◽  
Kaire Innos
Keyword(s):  
Breast Cancer ◽  
Radiation Therapy ◽  
Cancer Registry ◽  
Psychosocial Support ◽  
Sociodemographic Factors ◽  
Stage I ◽  
Equal Access ◽  
Administrative Databases ◽  
The Impact ◽  
Over Time

Abstract Background Radiation therapy is an important part of multimodal breast cancer treatment. The aim was to examine the impact of sociodemographic factors on radiation therapy use in breast cancer (BC) patients in Estonia, linking cancer registry data to administrative databases. Methods Estonian Cancer Registry provided data on women diagnosed with BC in Estonia in 2007–2018, including TNM stage at diagnosis. Use of radiation therapy within 12 months of diagnosis was determined from Estonian Health Insurance Funds claims, and sociodemographic characteristics from population registry. Receipt of radiation therapy was evaluated over time and by clinical and sociodemographic factors. Poisson regression with robust variance was used to calculate univariate and multivariate prevalence rate ratios (PRR) with 95 % confidence intervals (CI) for receipt of radiation therapy among stage I–III BC patients age < 70 years who underwent primary surgery. Results Overall, of 8637 women included in the study, 4310 (50 %) received radiation therapy within 12 months of diagnosis. This proportion increased from 39 to 58 % from 2007 to 2009 to 2016–2018 (p < 0.001). Multivariate regression analysis showed that compared to women with stage I BC, those with more advanced stage were less likely to receive radiation therapy. Receipt of radiation therapy increased significantly over time and was nearly 40 % higher in 2016–2018 than in 2007–2009. Use of radiation therapy was significantly lower for women with the lowest level of education compared to those with a university degree (PRR 0.88, 95 % CI 0.80–0.97), and for divorced/widowed women (PRR 0.95, 95 % CI 0.91–0.99) and single women (PRR 0.92, 95 % CI 0.86–0.99), compared to married women. Age at diagnosis, nationality and place of residence were not associated with receipt of radiation therapy. Conclusions The study showed considerable increase in the use of radiation therapy in Estonia over the study period, which is in line with increases in available equipment. The lack of geographic variations suggests equal access to therapy for patients living in remote regions. However, educational level and marital status were significantly associated with receipt of radiation therapy, highlighting the importance of psychosocial support in ensuring equal access to care.

scholarly journals 352. Definitive Radiation Therapy for Stage I, II Breast Cancer : Dose Distribution of Open Field Beam-(Part 3)

1991 ◽  
Vol 47 (8) ◽  
pp. 1383
Author(s):  
Manabu Nakata ◽  
Takashi Okada ◽  
Shinsuke Yano ◽  
Naomi Enoki ◽  
Hiroki Nohara
Keyword(s):  
Breast Cancer ◽  
Radiation Therapy ◽  
Open Field ◽  
Dose Distribution ◽  
Stage I

Emerging trends in radiation therapy use among women older than age 70 with stage I breast cancer from 2000-2007: A population-based analysis.

2011 ◽  
Vol 29 (15_suppl) ◽  
pp. 6094-6094
Author(s):  
X. Shen ◽  
A. P. Wojcieszynski ◽  
M. V. Mishra ◽  
P. R. Anne ◽  
T. N. Showalter
Keyword(s):  
Breast Cancer ◽  
Radiation Therapy ◽  
Population Based ◽  
Stage I ◽  
Emerging Trends

Pathologic predictors of early local recurrence in stage I and II breast cancer treated by primary radiation therapy

Cancer ◽  
1984 ◽  
Vol 53 (5) ◽  
pp. 1049-1057 ◽  
Author(s):  
Stuart J. Schnitt ◽  
James L. Connolly ◽  
Jay R. Harris ◽  
Samuel Hellman ◽  
Richard B. Cohen
Keyword(s):  
Breast Cancer ◽  
Radiation Therapy ◽  
Local Recurrence ◽  
Stage I ◽  
Primary Radiation ◽  
Early Local Recurrence

Regional nodal management and patterns of failure following conservative surgery and radiation therapy for stage I and II breast cancer

1993 ◽  
Vol 26 (4) ◽  
pp. 593-599 ◽  
Author(s):  
Karen J Halverson ◽  
Marie E Taylor ◽  
Carlos A Perez ◽  
Delia M Garcia ◽  
Robert Myerson ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Radiation Therapy ◽  
Conservative Surgery ◽  
Stage I ◽  
Patterns Of Failure
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