Figure 6.

Histology four weeks after ablation sparing vessels and surrounding structures. Masson trichrome staining was used in A through C. Hematoxylin and eosin staining was used in D and E. A, Preserved structure of a nerve within the ablated tissue. B, Preserved structure of arterioles and venules within the ablated tissue. C, Lymph node in close proximity to ablated tissue with homogeneous fibrosis. D and E, Preserved structure of the esophagus in close proximity to the ablated superior vena cava. Longitudinal section and transverse section.