<prompt> Anterior diaphragmatic hernia is throughOesophageal openingParaesophageal openingForamen of morgagniNone  <response>: Anterior diaphragmatic hernia occurs through the space between the xiphoid and costal origin of the diaphragm or foramen of MorgagniB D CHAURASIA;S HUMAN ANATOMY UPPER LIMB THORAX-VOLUME-1 SIXTH EDITION-Page no,334 