: Migration of organs following trauma, occurring in roughly 3%–7% of thoracoabdominal injuries. In rare cases, these can present months or years after the initial injury with severe complications like bowel obstruction.
: A rare anterior defect located behind the sternum. Unlike typical congenital hernias, these may remain asymptomatic until adulthood and are often found incidentally during imaging.
While (posterolateral) account for about 90% of congenital cases, "rare" hernias often present differently or later in life: Types of Rare Diaphragmatic Hernias
(PDF) Surgical Conditions of the Diaphragm: Anatomy and Physiology
Rare diaphragmatic hernias refer to non-typical defects in the diaphragm, such as , Larrey , or delayed post-traumatic hernias, which allow abdominal organs to enter the chest cavity.