where are your lymph nodes in your groin
1. Know where the lymph nodes are located. You have the highest concentration of lymph nodes in your neck, around your collarbone, in your armpits, and in your groin. 1  Lymph nodes are present in groups, and are about the size of a pea or bean.2  Lymph nodes located in the groin are also called inguinal lymph nodes.heck the lymph nodes on your neck and collarbone. Use the first 3 fingers of each hand to circle behind your ears, down each side of your neck and under your jaw line. If you feel lumps accompanied by tenderness, you may have swollen lymph nodes. You may also feel fullness in your throat and have difficulty swallowing.