Findings

What do systematic reviews say?

2 questions · 2 findings · 2 reviews · Breast Cancer

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 2 · 100%Moderate 0 · 0%High 0 · 0%

Disease-free survival · women with primary breast cancer

Any O‐BCS showed no clear difference in disease‐free survival (up to 5 years) compared with S‐BCS (low certainty).

1 finding from 1 review

Oncoplastic breast‐conserving surgery for women with primary breast cancer 2021 · Cochrane Headline outcomes only
HR 1.06 [0.89, 1.26]
7 studies · 5532 participants
Low

Disease-free survival (new disease, progression or mortality) · breast‐conserving radiotherapy for breast cancer

Boost showed no clear difference in disease‐free survival: disease progression/mortality at 5 years compared with no boost (low certainty).

1 finding from 1 review

Tumour bed boost radiotherapy for women after breast‐conserving surgery 2017 · Cochrane Headline outcomes only
HR 0.94 [0.87, 1.02]
3 studies · 6549 participants
Low