The edges of tissue removed in a surgery for assessment of the effectiveness of a surgical procedure in achieving the local control of a neoplasm and the adequacy of tumor removal. When the margin is negative or not involved by tumor (e.g., CANCER) it suggests all of the tumor has been removed by the surgery.
Also Known As:
Negative Surgical Margins; Positive Surgical Margins; Resection Margin; Surgical Margins; Tumor-Free Margins; Excision Margin; Excision Margins; Margin, Resection; Margin, Surgical; Margin, Tumor-Free; Margins, Resection; Margins, Surgical; Margins, Tumor-Free; Negative Surgical Margin; Positive Surgical Margin; Resection Margins; Surgical Margin; Surgical Margin, Negative; Surgical Margin, Positive; Surgical Margins, Negative; Surgical Margins, Positive; Tumor Free Margins; Tumor-Free Margin