En Cheng, MD, MSPH (IMAGE) Yale University Caption En Cheng led research showing patients with early-onset colorectal cancer, age 50 and younger, have a better survival rate than patients diagnosed with the disease later in life. Credit Yale Cancer Center Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.