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Abstract

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¾Ó°ª 43¼¼)À̾ú°í TNMº´±â´Â 0±â 5¸í, I±â 33¸í, IIa±â 25¸í, IIb±â 9¸íÀ̾ú´Ù. ¸ðµç ȯÀÚ´Â
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96.9%, IIa±â¿¡´Â 96%, IIb±â¿¡´Â 88.9%À̾ú´Ù. 2¸í¿¡¼­ ¿ø°ÝÀüÀÌ°¡ ÀÖ¾úÀ¸¸ç 1¸í¿¡¼­ µ¿½Ã
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ÇÑ 59¸íÁß 51¸í(86%)¿¡¼­ ÁÁÀ½¿¡¼­ ¸Å¿ì ÁÁÀ½À¸·Î ³ªÅ¸³µ´Ù.
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Purpose: To evaluate interim results in terms of failure, cosmetic results and survival after breast conserving operation and radiation therapy in early breast cancer.
Material and Methods: From January 1992 through December 1997, seventy two patients
with early stage 0, 1 and ¥± breast cancer were treated with conservative surgery plus
radiotherapy at Keimyung University Dongsan Medical Center. Age distribution was 25
to 77 years old with median age of 43. According to TNM stage, five patients had
stage 0, thirty three were stage ¥°, twenty five were lla, and nine were llb. Most
patients underwent excision of all gross tumor and ipsilateral axillary dissection. Breast
was irradiated through medial and lateral tangential field of 6 MV photons to 50.4 Gy in
28 fractions over 5.5 weeks. we delivered a boost irradiation dose of 10 to 16 Gy in 1
to 2 weeks to excision site. Adjuvant chemotherapy was administered in forty one
patients with CMF (cyclophosphamide, methotrexate, 5-fluorouracil) regimens of 6 cycles
concurrently or before radiation. Cosmetic results were assessed by questionnaire to
patients grading of excellent, good, fair, poor. Follow-up periods were 22 to 91 months
with median 40 months.
Results: Five year disease free survival rate (5YDFS) was 95.8%. According to stage,
5YDFS was 100%, 96.9%, 96% and 88.9% in stage 0, ¥°, lla and llb, respectively. Two
patients had distant metastasis and one had local and distant failure. One patient with
distant failure had bone and liver metastasis at 14 months after treatment and the other
had lung and both supraclavicular metastasis at 21 months after treatment. Patient with
local and distant failure had local recurrence on the quadrant in same breast and then
salvaged with total mastectomy and chemotherapy but she died due to brain metastasis
at 55 months. Complications were radiation pneumonitis in five patients (four patients of
asymptomatic, one patients of symptomaitc) and hand or arm edema(4 patients). Fifty
nine patients answered our cosmetic result questionnaire and cosmetic results were good
to excellent in fifty one patient(86%).
Conclusion: We considered that conservative surgery and radiation for the treatment of
early stage invasive breast cancer was safe and had excellent survival and cosmetic
results. we need to assess about prognostic factor with longer follow up and with large
number of patients.

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À¯¹æ¾Ï; À¯¹æº¸Á¸¼ö¼ú; ¹æ»ç¼±Ä¡·á; Breast cancer; Conservative surgery; Radiation therapy;

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