149P Adjuvant radiotherapy outcomes for early stage (stage 1c-2) clear cell ovarian carcinoma in Edinburgh cancer centre

C. Smith; D. Haron; K. Connolly; A.L. Stillie; C. Gourley

doi:10.1016/j.esmoop.2026.108196

July 1, 2026ESMO OpenOpen Access

149P Adjuvant radiotherapy outcomes for early stage (stage 1c-2) clear cell ovarian carcinoma in Edinburgh cancer centre

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Key Points

The study aims to compare outcomes between early stage clear cell ovarian carcinoma patients receiving adjuvant radiotherapy and those who do not.
Retrospective review of patient outcomes at Edinburgh Cancer Centre
Included early stage CCOC cases (Stage 1c-2)
Compared data between groups receiving and not receiving adjuvant RT
Adjuvant radiotherapy is associated with improved 5-year disease-free survival rates.
Significant increase in survival rates compared to those who did not receive RT.

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Abstract

Standard of care for Clear Cell Ovarian Carcinoma (CCOC) Stage 1c – 2 is cytoreductive surgery and platinum chemotherapy. Adjuvant radiotherapy (RT) in Stage 1c2- 2a is recommended but supporting data is limited; a Canadian population based retrospective review (Hoskins et al.) demonstrated 20% improvement in 5yr DFS. Our aim was to compare outcomes of patients who received adjuvant RT in Edinburgh for early stage CCOC against those who did not.

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Smith et al. (2026) studied this question.

synapsesocial.com/papers/6a48a51b89561a0c2d78dfce https://doi.org/10.1016/j.esmoop.2026.108196

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149P Adjuvant radiotherapy outcomes for early stage (stage 1c-2) clear cell ovarian carcinoma in Edinburgh cancer centre

Key Points

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Abstract

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Cite This Study

149P Adjuvant radiotherapy outcomes for early stage (stage 1c-2) clear cell ovarian carcinoma in Edinburgh cancer centre

Key Points

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Abstract

Discussion

Cite This Study

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