170: Malignant neoplasm of bone and articular cartilage
Includes:
cartilage (articular) (joint)
periosteum
Excludes:
bone marrow NOS (202.9)
cartilage:
ear (171.0)
eyelid (171.0)
larynx (161.3)
nose (160.0)
synovia (171.0-171.9)
170.9 Bone and articular cartilage, site unspecified

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