Thoracic SMARCA4-deficient undifferentiated tumor 2

The tumor cells show a characteristic loss of BRG1 expression (note preserved BRG1 expression in benign cells serving as internal control). BRG1, magnification × 400.

H&E: hematoxylin and eosin.

Courtesy of Anja C Roden, MD.

Graphic 132515 Version 2.0