An infant is rushed to the ER for profuse vomiting and you are asked to evaluate him. You notice that the vomitus is bile tinged, and you become concerned about a possible congenital anomaly. What is the most likely diagnosis?
a. Esophageal atresia
b. Hypertrophic pyloris stenosis
c. Imperforated anus
d. Midgut malrotation with volvulus
e. Pulmonary hypoplasia