B624 21 4x B624 21 10x 
 Figure 1. H&E, 4x. Figure 2. H&E, 10x.
B624 21 20x 1 B624 21 20x 2 
 Figure 3. H&E, 20x. Figure 4. H&E, 20x.
B624 21 20x B624 21 40x 
Figure 5. H&E, 20x. Figure 6. H&E, 40x.
B624 21 40x 2  
Figure 7. H&E, 40x.