CCM is increasingly used and prominent in a shrinking U.S. hospital system. CCM occupancy is lower than expected. Despite its increasing use and cost, CCM is using proportionally less of national health expenses and the gross domestic product than previously estimated.

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Crohn disease (CD) is a chronic, panenteric intestinal inflammatory disease. Its etiology is unknown.

Morbid obesity per se does not imply an abnormality of LESP. In addition, a majority of morbidly obese patients who were considering bariatric surgery had no esophageal symptoms but were found to have abnormal esophageal manometric patterns. These findings add support to the suggestion that morbidly obese patients may have abnormal visceral sensation.