Fig. 4

a, b US images for a 5-year-old male patient presented with a post-open heart surgery dyspnea and an elevated right copula in his CT. a Abnormal shape of the right hemidiaphragm with an overlapping defect was seen measuring 6 mm in diameter (between the red dots). b US image in intercostal view showing limited movement of the right hemidiaphragm in normal breathing (= 0.6 cm between the red dots), and its diagnosis was established as a postoperative right hemidiaphragmatic overlapping defect and weakness