In the adult, it is around 11-13 inches long (28-33 cm) and has an internal diameter around three quarters of an inch (2 cm). The esophagus is a muscular tube. The wall of the esophagus has several layers: The Inner layer or lining (mucosa): The lining of the esophagus is . The average size of an adults humerus is about 22 inches long and 3 inches wide How wide is the human esophagus? The human esophagus is about 25-35 cm (10-14 in.) long and 2cm (3/4 in.) wide in.
About 17,650 new esophageal cancer cases diagnosed (13,750 in men and 3,900 in women) About 16,080 deaths from esophageal cancer (13,020 in men and 3,060 in women) Esophageal cancer is more common among men than among women. The lifetime risk of esophageal cancer in the United States is about 1 in 132 in men and about 1 in 455 in women.Last Revised: January 8, 2019. The most common problem with the esophagus is GERD (gastroesophageal reflux disease). With GERD, a muscle at the end of your esophagus does not close properly. This allows stomach contents to leak back, or reflux, into the esophagus and irritate it. Over time, GERD can cause damage to the esophagus.