Fig. 5From: Mammographically dense human breast tissue stimulates MCF10DCIS.com progression to invasive lesions and metastasisRepresentative images of tumour metastasis obtained by imaging and histology. a1 and a2 Images from the same mouse lymph node. b1–b3 Images illustrate the lymph node of a different mouse. a1 The white arrow indicates a luciferase (luc) signal in a mouse lymph node. a2 Haematoxylin and eosin staining of the luc-positive lymph node from a1. b1 The white arrow indicates a luc signal in a mouse lymph node. b2 Human-specific CK5 staining of the luc-positive lymph node from b1; CK5-positive cells are stained brown. b3 Human-specific Ku70 staining of the luc-positive lymph node from b1. Ku70-positive cells are stained yellow. Scale bar = 10 μmBack to article page