For this report you are required to write on the histology of an organ and discuss a technique involving a specimen of the organ. The discussion of the technique should include a literature review on the evolution of the technique. You are to choose one of the following options
1. Pacreas and histological technique for insulinoma
2. Lung and histological technique for haemosiderosis
3. Breast and tissue processing with emphasis on the solutions
4. Liver and haematoxylin and eosin staining technique