Fig. 6From: Stenting the Eustachian tube to treat chronic otitis media - a feasibility study in sheepAreas of tissue occurrence (T), lumen (L), secretion (S) and free lumen (LF). Depicted are parts 1 (a) and 4 (b) of the ET for both stents (compare Fig. 3). The total area of the ET (ROI) was set as 100%Back to article page