Fig. 3.
(A) Submucosal low-grade ESS. Pathologic analysis after rectosigmoid resection 2009. HE, 12.5×. Tongues of small blue cells are permeating the muscularis propria. (B). HE, 200×. A diffuse proliferation of spindle cells with little atypia.
(A) Submucosal low-grade ESS. Pathologic analysis after rectosigmoid resection 2009. HE, 12.5×. Tongues of small blue cells are permeating the muscularis propria. (B). HE, 200×. A diffuse proliferation of spindle cells with little atypia.