1. Sacrococcygeal tumor (teratoma): with an opening entirely through the sacrum, and a sinus passing through this opening and communicating with the rectum, the sinus resembling a bronchus Author(s): Keen, William W. (William Williams), 1837-1932 Publication: [Chicago? : s.n., 1906?] Subject(s): Spinal Neoplasms -- surgeryChildSacrum -- surgeryTeratoma -- surgery
