This is an abstract search system for the 30th Annual Meeting of the Japanese Breast Cancer Society (30JBCS) to be held from June 30th (Thursday) to July 2nd (Saturday), 2022.● Convenient functions unique to the app[Ongoing session]During the session, the sessions announced at that time will be listed.[My schedule]If you bookmark each abstract, it will be displayed in a daily calendar.[Change abstract font size]The abstract font size can be changed in 3 steps: large, medium, and small.◆ ◇ ◆ Attention! ◆ ◇ ◆Data download is required at the first startup.Please use it after starting the application in an environment connected to the Internet.