Tumor Integrating Gut Microbiota in bREast Cancer

Exclusion Criteria

• •Active systemic infection or fever \>38.0°C within 72 h pre-surgery.
• •Antibiotics within 14 days pre-sampling (recorded; analyses adjusted).
• •Prior ipsilateral BC surgery for current lesion (except re-excision with fresh tissue).
• •Any condition preventing compliance with the study protocol.