Fig. 4From: Bulk tumour cell migration in lung carcinomas might be more common than epithelial-mesenchymal transition and be differently regulatedExamples from the evaluation set (SETval) are shown. a and b are examples of mixed bulk and EMT migration. Double arrows show bulk and single arrows EMT type migration; c and d are examples of bulk migration only; a and c acinar and solid adenocarcinomas, b and d squamous cell carcinomas; magnification in all cases × 100Back to article page