In a rare type of fistula called an H type, both the esophagus and trachea are complete, but they are connected. This is the most difficult type of tracheoesophageal fistula to diagnose, because both eating and breathing are possible.
The two most common congenital esophageal abnormalities are esophageal atresia (EA) and tracheoesophageal fistula (TEF).
trauma
The second most common word is 'be'
The second most common vowel in the English language is 'I'. The most common vowel is 'E'.
Christianity is the second most common religion in Africa, with Islam being the most common.
Arabic is the second most common spoken language after Chinese. Hindi is number three, and English is the fourth most common.
Carnivores are the second most common order of mammals, ungulates being the first.
Hydrogen is the most common element in the universe, not oxygen.Oxygen is the most common element on Earth, followed by silicone.
The second most common language spoken in Alaska is Spanish.
Spanish is the second most common "spoken" language. The second most common language is sign language.
Hydrogen, helium.
The second most common element on Earth is silicon, which makes up about 28% of Earth's crust. The most common element found on a Earth is oxygen which is about 47%.