Paul Strauss cancer center is specialized in breast cancer surgery, pioneer in the sentinel node technique, first node of the lymph trunk to be affected by metastasis. The sentinel node is located by lymphoscintigraphy, removed and immediatly sent to anapathology department for analysis. If the node containes cancerous cells, all the nodes of the lymph trunk will be removed. This technique is an alternative to heavy intrusive surgery. Here, surgeon receiving by telephone the results of sentinel