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06-30-2020, 12:45 PM
"Clean margins" are a goal of cancer excision surgery. If even a small piece of cancerous tissue is left behind, it increases the likelihood of a local recurrence and spread of the disease, possibly reducing overall survival time.
More... (https://www.news-medical.net/news/20200630/Glowing-dye-may-illuminate-tumors-during-surgery.aspx)
More... (https://www.news-medical.net/news/20200630/Glowing-dye-may-illuminate-tumors-during-surgery.aspx)