{"groups":[{"description":"This study evaluates the ability of 2 procedures to detect sentinel lymph nodes (SLNs), and does not evaluate between groups of participants.","id":"FG000","title":"All Participants"}],"periods":[{"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"50"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"50"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"0"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}]}