Fig. 2

CT findings. A: CT scan of the chest showed lung metastasis. Left: Cross-section of a high-density pulmonary nodule in the anterior basal region of the right lower lobe. Right: Cross-section of a high-density pulmonary nodule in the right middle lobe of the lung. B: β-catenin was evaluated by IHC in primary and metastatic tumors. Clustered nuclear location of β-catenin in primary tumor (a) and lung metastatic tumor (b) (400x)