CS Extension

This input is used in derivation

Notes

**Note 1**: In the United States and Canada, Kaposisarcoma is usually an illness related to Acquired Immunodeficiency Syndrome (AIDS) which affects primarily the skin; however, lesions may also form in the connective tissue, mucosa (e.g. oral cavity) or visceral organs (e.g. lungs). For connective tissue tumors (C49._), use extension codes for skin. **Note 2**: Choice of CS Extension codes for Kaposi sarcoma depends on number and location of lesions. For example, use code 110 for a single lesion involving skin; use code 210 for multiple lesions involving skin. Use code 250 for any number of lesions involving both skin and viscera.

Default

999

NAACCR Item

NAACCR #2810
Code Description AJCC 7 T AJCC 6 T Summary Stage 1977 T Summary Stage 2000 T
110 Single lesion:
Skin and/or connective tissue		 NA NA U L
120 Single lesion:
Mucosa (e.g., oral cavity, anus, rectum, vagina, vulva)		 NA NA U L
130 Single lesion:
Viscera (e.g., pulmonary, gastrointestinal tract, spleen, other)		 NA NA U L
210 Multiple lesions:
Skin and/or connective tissue		 NA NA U L
220 Multiple lesions:
Mucosa (e.g., oral cavity, anus, rectum, vagina, vulva)		 NA NA U L
230 Multiple lesions:
Viscera (e.g., pulmonary, gastrointestinal tract, spleen, other)		 NA NA U L
240 (120 or 220) + (110 or 210)

Multiple lesions, mucosa plus skin and/or connective tissue		 NA NA U RE
250 (130 or 230) + (110 or 210)

Multiple lesions, viscera plus skin and/or connective tissue		 NA NA U RE
260 (130 or 230) + (120 or 220)

Multiple lesions, viscera plus mucosa		 NA NA U RE
270 (130 or 230) + (120 or 220) + (110 or 210)

Multiple lesions, visceral plus mucosa plus skin and/or connective tissue		 NA NA U D
290 Multiple lesions, NOS NA NA U U
950 No evidence of primary tumor NA NA U U
999 Unknown; extension not stated
Primary tumor cannot be assessed
Not documented in patient record		 NA NA U U