The use of an anterior approach to ventrally placed tumors in the foramen magnum and vertebral column.
D000328:Adult; D000368:Aged; D001932:Brain Neoplasms / Q000601:surgery*; D002574:Cervical Vertebrae; D002648:Child; D002675:Child, Preschool; D002817:Chordoma / Q000601:surgery*; D005260:Female; D005354:Fibrosarcoma / Q000601:surgery*; D005539:Foramen Magnum; D006801:Humans; D008297:Male; D008875:Middle Aged; D009101:Multiple Myeloma / Q000601:surgery*; D009362:Neoplasm Metastasis / Q000601:surgery*; D013515:Surgery, Oral; D013904:Thoracic Vertebrae