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   | MALIGNANT NEOPLASM OF BONE, CONNECTIVE TISSUE, SKIN, AND BREAST (170-176) 
Excludes: carcinoma in situ: 
breast (233.0) 
skin (232.0-232.9)  |  
    |  |      | 171 Malignant neoplasm of connective and other soft tissue 
Includes: blood vessel 
bursa 
fascia 
fat 
ligament, except uterine 
muscle 
peripheral, sympathetic, and parasympathetic nerves and ganglia 
synovia 
tendon (sheath) 
Excludes: cartilage (of): 
articular (170.0-170.9) 
larynx (161.3) 
nose (160.0) 
connective tissue: 
breast (174.0-175.9) 
internal organs code to malignant neoplasm of the site [e.g., leiomyosarcoma of stomach, 151.9] 
heart (164.1) 
uterine ligament (183.4)  |      | 172 Malignant melanoma of skin 
Includes: melanocarcinoma 
melanoma in situ of skin 
melanoma (skin) NOS 
Excludes: skin of genital organs (184.0-184.9, 187.1-187.9) 
sites other than skin?code to malignant neoplasm of the site  |      | 173 Other malignant neoplasm of skin 
Includes: malignant neoplasm of: 
sebaceous glands 
sudoriferous, sudoriparous glands 
sweat glands 
Excludes: Kaposi's sarcoma (176.0-176.9) 
malignant melanoma of skin (172.0-172.9) 
skin of genital organs (184.0-184.9, 187.1-187.9)  |      | 174 Malignant neoplasm of female breast 
Includes: breast (female) 
connective tissue 
soft parts 
Paget's disease of: 
breast 
nipple 
Use additional code to identify estrogen receptor status (V86.0, V86.1) 
Excludes: skin of breast (172.5, 173.5)  |      |  |      |  |   
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