Supplementary Video S1 from Real-time Imaging of the Resection Bed Using a Handheld Probe to Reduce Incidence of Microscopic Positive Margins in Cancer Surgery

Positive surgical margin. Video OCT cross-sectional images of a positive tumor margin from the in vivo resection bed of a 72 year-old female WLE patient with invasive ductal carcinoma as the surgeon sweeps the handheld probe along the margin.