Dhabi, Muharram 13, 1435, Nov 16, 2013, SPA -- The United Arab Emirates 2nd annual conference on tumors concluded in Abu-Dhabi today. Over the last three days, at least 100 sessions were held by some one thousand representatives of health care sectors in the Gulf Cooperation Council member states and Middle Eastern countries. A number of papers which were presented in the conference discussed important scientific issues, including children cancer, clinical experiences and registration of chronic illnesses.