Lung metastases retained the hormone receptor status of the primary tumour (Fig. 3c–e shows ER (Fig. 3c), PR (Fig. 3d) and Her2 (Fig. 3e) from an ER+, PR+, Her2- tumour) and contained Ki67 positive dividing cells (Fig. 3f). The gene discussed is MKI67; the disease is neoplasm.