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TL:DR: The job of the lymphatic system is to remove excess fluid generated during the course of normal blood circulation from extravascular tissue, and to fight infection. Anything that might increase this burden on the lymph nodes remaining post mastectomy (e.g. venipuncture, IVs, finger sticks, etc.) is discouraged. As most breast cancers (75%) occur in ...


3

Blood is not always drawn from the veins depending on the medical need and situation. In most of the cases and for general tests, however, blood is drawn from veins which is known as Venipuncture. (Why draw blood from veins rather than arteries? The integrity of the sample taken is dependent on using good technique, drawing from an appropriate site, and ...


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