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?