The ornamental design for an adhesivering for stoma, as shown and described.
FIG. 1 is a perspective view of an adhesive ring for stoma;
FIG. 2 is a front view of the adhesive ring for stoma illustrated in FIG. 1;
FIG. 3 is a back view of the adhesive ring for stoma illustrated in FIG. 1;
FIG. 4 is a left side view of the adhesive ring for stoma illustrated in FIG. 1;
FIG. 5 is a right side view of the adhesive ring for stoma illustrated in FIG. 1;
FIG. 6 is a top plan of the adhesive ring for stoma illustrated in FIG. 1; and,
FIG. 7 is a bottom plan view of the adhesive ring for stoma illustrated in FIG. 1.
The broken lines shown in FIGS. 1-7 illustrate portions of the adhesive ring for stoma that form no part of the claimed design. The heavy broken lines shown in FIGS. 1-3 illustrate the boundaries of the claimed design and form no part of the claimed design.