CS Extension: Bladder

Code Description TNM SS77 SS2000
00 In situ; noninvasive; intraepithelial Tis IS IS
10 Invasive tumor confined to:
  • Lamina propria
  • Mucosa, NOS
  • Submucosa (superficial invasion)
 T1a L L
20 Muscularis propria T1b L L
21 Muscle (muscularis) invaded:
Superficial muscle—inner half		 T2a L L
30 Localized, NOS T1b L L
40 Perimuscular connective tissue T2 RE RE
50 Invasion of/through serosa (visceral peritoneum) T3 L RE
55 (40) + (50) T3 RE RE
60 Extension into liver, NOS T3 RE RE
61 Extension into liver less than or equal to 2 cm T3 RE RE
62 Extension to ONE of the following:
  • Ampulla of Vater
  • Duodenum
  • Extrahepatic bile duct(s)
  • Omentum, NOS
  • Greater
  • Lesser
  • Pancreas
  • Small intestine, NOS
 T3 RE RE
65 Extension to ONE of the following without extension to any structure in (62):
  • Colon
  • Stomach
 T3 RE RE
66 Extension to cystic artery/vein without extension to any structure in [(62) to (65)] T3 RE RE
67 [(60) or (61)] PLUS extension to ONE structure in codes [(62) to (65)] T3 RE RE
68 (66) + [(60) or (61)] T3 D D
71 Extension into liver greater than 2 cm without extension to any structure in codes [(62) to (66)] T3 D D
72 Extension into liver greater than 2 cm PLUS extension to ONE structure in codes [(62) to (66)] T3 D D
73 Extension to two or more structures in codes [(62) to (66)], with or without extension into liver of any depth T4 D D
75 Extension to:
  • Hepatic artery
  • Portal vein
 T4 RE D
78 (75) + any of [(60) to (73)] T4 D D
80 Further contiguous extension, including:
  • Abdominal wall
  • Diaphragm
 T4 D D
95 No evidence of primary tumor T0 U U
99
  • Unknown extension
  • Primary tumor cannot be assessed
  • Not documented in patient record
 TX U U
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