my son has been battleling testicular/germcell cancer and has recently started with pain and knumbness in left arm and dizziness and lightheadedness. He also has slight discomfort in his stomach. A month ago he was up at the mayo hospital in scottsdale,az for a lymphnode disection in his stomach. I am wondering what could be causing this. He was put on a months worth of lovenox shots. He will be finashed with them on tuesday.