More organ-specific antibodies will be added such as ER, PR, PAX8 (Müllerian tumours), TTF1 (lung, thyroid), GATA3 (breast, urothelial), CDX2 (gastrointestinal) and Calretinin, BerEP4, WT1 and CK5/6 (malignant mesothelioma) (Figure 3) [10]. Here, PAX8 is linked to malignant mesothelioma.