FIGURE 1

Inflammatory pseudotumor in 28-year-old woman (Patient 4). Spindle cells without atypia are amid many stromal microvessels. Tumor extends into muscularis propria, without necrosis.

Inflammatory pseudotumor in 28-year-old woman (Patient 4). Spindle cells without atypia are amid many stromal microvessels. Tumor extends into muscularis propria, without necrosis.