Figure 4From: Lung flooding enables efficient lung sonography and tumour imaging in human ex vivo and porcine in vivo lung cancer modelSonomorphology of a squamous cell carcinoma with central necrosis in a flooded human lung lobe. ( a ) Macroscopic specimen (cut through the tumour after sonographic examination). ( b ) Sonography of the tumour shows its inhomogeneous texture with hypoechoic necrotic areas and a hypoechoic ‘halo’.Back to article page