Saudi Oncology Society (SOS) will hold here later today a conference on cancer entitled "Care and Treatment 2001" under the patronage of Prince Ahmad Ibn Sultan Ibn Abdulaziz, the Society's Honorary President. The President of the Society Dr. Essam bin Mohammed Al-Murshid has pointed out that a number of local and foreign doctors will take part in the two-day conference to shed light on the most important developments for the treatment of cancer patients.