Fig. 3.

Gross findings of SMARCA4-deficient thoracic sarcoma at autopsy. A Primary tumor mass (20 × 10 × 7 cm) in the anterior mediastinum, with diffuse pericardial infiltration (white triangle), per-continuitatem immurement of the left bronchus (white circle) and pulmonary trunk (white asterisk), and diffuse infiltration into the lung parenchyma (red asterisk). Bilateral pleural metastases (white arrows), left > right. B, C Widespread miliar cutaneous and subcutaneous metastases encompassing pectoral muscles of the chest.