ArticleAuthors: Trinh Le Huy, Pham Duy Manh (2021)
A 45-year-old male presented with symptoms mimicking pericarditis, including rapidly worsening dyspnea
and retrosternal chest pain. On imaging workup, an abnormal mass of 50x53 mm in size was detected at the
left atrium, which partially obstructed blood flow through the mitral valve. PET/CT was done in searching for
the probable site of origin but revealed no abnormal uptake lesions. The tumorectomy and excision of the
posterior wall of the left atrium were then performed with curative intent. The postoperative histology of the
tumor was in favor of a spindle cell sarcoma, originating from the left atrium, grade 2, which was confirmed as
epithelioid angiosarcoma by immunoh... 
