ABC News.com Taps Professor Robert Field's Expertise in Health Care Reports January 18, 2011 Professor Robert Field discussed the costs of cancer treatment in "Cancer Costs Predicted to Skyrocket to $158 Billion by 2020," published by ABC News.com on Jan. 13. On Jan. 18, Professor Field was quoted in "Half of Americans Have Pre-Existing Health Conditions," an article focusing on a government report stating 129 million non-elderly Americans are at risk of being denied affordable coverage without health care overhaul.