History: 50 year old male with incidental finding on chest CT.
This is a diaphgragmatic hernia. There are multiple types of diaphragmatic hernias. Two of which have eponyms assigned to them are Bochdalek hernias and Morgagni hernias, of which can be either congenital or adult. A Bochdalek hernia occurs at the posterior pleuroperitoneal hiatus, or lumbocostal triangle, and a Morgagni hernia occurs at the anterior parasternal hiatus. Morgagni hernias typically present on the right side and Bochdalek on the left. Symptoms and complications of diaphragmatic hernias can be found here.
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