Xinyu Ma

Pulmonary sarcomatoid carcinoma in the anterior mediastinum mimicking thymic carcinoma with rapid widespread metastases

Rationale: Pulmonary sarcomatoid carcinoma (PSC) is a rare and aggressive subtype of non–small-cell lung cancer. Marked histologic heterogeneity, nonspecific imaging findings, and limited representation in small biopsy specimens can cause diagnostic error, particularly when a pulmonary lesion abuts the anterior mediast...