Question 1:
A 62-year-old woman presented with an erythematous plaque on the mid left chest, which was neither pruritic nor painful (Figure 1).
Figure 1.
The plaque on the chest was biopsied. The histology is shown below (Figures 2-7).
Figure 2. H+E 20x
Figure 3. H+E 200x
Figure 4. H+E 600x
Figure 5. CD3 40x
Figure 6. CD20 40x
Figure 7. Cyclin D1 40x
What is the diagnosis?