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hip, right
      sacrum
            anterior vigw
                  ala
                  apex
                  pelvic sacral foramina
                        2nd view, 3rd view, 4th view
                  sacral promontory
            dorsal surface
                  dorsal sacral foramina, 2nd view
                        3rd view , 4th view
                  median sacral crest
                  sacral canal
                  sacral hiatus
                  superior articular process
            lateral view
                  articular surface