Giant left atrial appendage aneurysm

A 67-year-old lady was referred to our hospital because of abnormal findings on a simple chest radiograph. The chest radiograph showed a markedly prominent left cardiac border (Panel A). Because a radiolucent cleft (Panel A, arrow heads) was observed in the lower medial side of the bulge, the bulging shadow rather looked like a longish mass (Panel A, asterisk). She had a complaint of atypical chest discomfort and a history of embolic stroke. Physical …