Figure 2From: Expression of Notch-1 and its clinical significance in different histological subtypes of human lung adenocarcinomaThe positive and negative expression of Notch-1 was detected in lung adenocarcinoma specimens. It was not only in tumors but also in adjacent alveolar and brochial epithelial tissues. Black arrowheads indicated positive staining. Scale bar: 100 um.Back to article page