24 August 2015 A study published in JAMA Oncology raises more questions regarding appropriate treatments for ductal carcinoma in-situ (DCIS). I wrote about surgery for DCIS about a month ago. The controversy continues. The JAMA Oncology study by Dr. Steven Narod and colleagues used the SEER Database to try to determine if treatment for DCIS improves the death rate. They found that breast cancer-specific mortality was…