Fig. 1

Contrast-enhanced CT (CECT) showing features of heterotaxy syndrome. A Axial section of CECT showing double superior vena cava (SVC) (blue arrows). B Post-contrast, coronal section showing midline liver (black asterisk), stomach though distended with high-density content but seen on right side of midline (white arrow), head of pancreas on the left side of midline (black arrowhead), small bowel loops on the left side of midline (black arrow) and large bowel on right side of midline (white arrowhead). C Axial section showing large subvalvular ventricular septal defect (VSD) (black asterisk) and dilated right atrium. D Post-contrast Sagittal section showing anteriorly placed aorta (white arrowhead) and dilated azygous vein (black arrowhead). Azygous continuation of inferior vena cava can be seen below the level of the diaphragm