These lymph nodes can also become reactive and enlarge due to trauma or an infection of the arm on the same side. Enlarged lymph nodes above the collarbone: Enlarged lymph nodes above the collarbone (supraclavicular lymphadenopathy) are always considered abnormal. These generally suggest cancer or ...
and the wound may ooze pus or a whitish discharge. Nearby lymph glands may be swollen, and there may be red streaks running up the arm or leg from the wound toward the center of the