--- sidebar_position: 2 --- # Study Panel In `Basic Viewer` mode, the left panel includes Studies related to the current patient. You can see three main type of studies below - Primary: The opened study from the study list. This study is always expanded by default. - Recent: All studies for the patient that contain study dates within 1 year of the primary study - All: All studies available for the patient contained within the source repository The `Study Panel` displays the measurement tracking status of each series within a study. As you can see in the first picture, the dashed circle on the left side of each series demonstrates whether the series is being tracked for measurement or not. ![user-study-panel](../../assets/img/user-study-panel.png) Studies can be expanded or collapsed by clicking on the study information in the Study Panel. If a series is being tracking within a study, the Measurement Panel will display this information while the study is collapsed.