1病例资料患者,女性,36岁,近半月来不明原因胸闷、上腹不适、恶心及轻度呼吸困难,饭后症状加剧,三大常规检查和生命体征正常。1个月前胃镜检查胃黏膜充血,少许糜烂斑。X线胸片示:右下胸腔见边缘光滑内存宽大气液平面的囊性包块。CT平扫见右下胸腔囊腔内存留食糜(图1A),左上腹未见胃泡影,脾上 1 Case data Patients, women, 36 years old, nearly half a month for unknown reasons chest tightness, abdominal discomfort, nausea and mild dyspnea, postprandial symptoms worsened, the three routine examination and vital signs normal. Gastroscopy gastric mucosal congestion 1 month ago, a little erosion spots. X-ray showed: the lower right chest to see the smooth edge of the memory margin of the large liquid-level cystic mass. CT scan to see the right lower chest cavity memory retention surimi (Figure 1A), the left upper abdomen no stomach bubble shadow, spleen