You move tactically into Room 15.
To your right (west) you see three more of the healing coffins fitted for Sathar (same as you saw on the ship earlier).
To the south is an open exit (no door). There is an automatic door to the east leading to 16. (Note that stepping near it will open it automatically.)
You are not sure what is in the small closet area in the northwest.
To the south, you see a round bathing tub. Inside the tub is a Sathar--naked--who seems surprised to see you but only freezes in place in shock at your sudden entry. What you notice about this Sathar is that it is smaller with slightly different features--perhaps your first glimpse of an adolescent, not an adult.
Thought I'd give you a crude visual.