The septa appear smooth in contour ; no distinct nodules are isible within them . slight ariation in thickness of the septa may reflect the presence of pulmonary eins （增厚的小叶）间隔外形仍光滑，其中未见明显的小结节样阴影。肺静脉可导致间隔的轻度增厚。
After a series of examinations , sinus venosus type atrial septal defect ( asd ) associated with partial anomalous pulmonary venous connection to high superior vena cava ( svc ) and persistent left svc was documented 静脉窦型心房中膈缺损并部份肺静脉回流异常注入高位上腔静脉及左侧上腔静脉方被发现，随即进行外科矫治手术，住院病程平稳，术后1田固月，病况逐渐改善。
