[Concord Medical Enters Agreement to Acquire Four Radiotherapy and Diagnostic Imaging Acquisition to Strengthen Company’s Presence in Northern China BEIJING, CHINA, April 27, 2010 — Concord Medical Services Holdings Limited (“Concord Medical” or the “Company”) (NYSE: CCM), operator of the largest network of radiotherapy and diagnostic imaging centers in China, today announced that its wholly-owned subsidiary, Shenzhen Aohua Medical Device] [FORM 6-K CONCORD MEDICAL SERVICES 18/F, Tower A, Global Trade Center þ o Form 20-F o o o þ Yes N/A 82- TABLE OF CONTENTS TABLE OF CONTENTS — Press release regarding the acquisition of four radiotherapy and diagnostic imaging centers in Hebei province 2 CONCORD MEDICAL SERVICES HOLDINGS LIMITED Jianyu Yang Director, Chief Executive Officer and President 3 6-K]