Fig. 1

Findings of cardiovascular complications: a Cardiothoracic ratio on chest X-ray changes from 41.9% to 55.0% in a week. b Echocardiography shows a pericardial effusion (arrowhead). c Aspirated content by pericardiocentesis shows the bloody pericardial effusion. d Cardiac MRI shows contrast-enhanced delay consistent with the pericardium (arrowhead), suggestive of pericarditis