MET and neoplasm: No membrane staining or membrane staining in <10% of tumour cells (score 0), faint/barely perceptible partial membrane staining in > 10% of tumour cells (score 1+), weak-to-moderate staining of the entire membrane in > 10% of tumour cells (score 2+), and strong staining of the entire membrane in > 10% of tumour cells (score 3+). Scores of 0 and 1+ were considered as negative for MET overexpression, and scores of 2+ and 3+ were considered as positive