FIG. 2.

Business process flow diagram for sample processing, part 1 (paraffin tissue blocks and OCT blocks). Multiple entry points are present here, including diamond at upper left (“Send paraffin or create slides”), and the polygons and circles at left and upper right that start with “From” represent entry points from other flow diagrams. Exit points are the double circle at lower left, and the circles at right that begin with “To” represent entry to other flow diagrams. OCT, optimal cutting temperature compound.