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20 Cards in this Set
- Front
- Back
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T1
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invades submucosa
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T2
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invades muscularis propria
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T3
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invades through muscularis propria into pericolorectal tissues
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T4
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T4a - penetrates to the surface of the visceral peritoneum
T4b - directly invades or is adherent to other organs or structures |
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N1
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1 to 3 lymph nodes
N1a - 1 lymph node N1b - 2-3 lymph nodes N1c - tumor deposits in the subserosa, mesentery, or nonperitonealized pericolic or perirectal tissues without regional nodal metastasis |
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N2
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4 or more
N2a - 4-6 lymph nodes N2b - 7 or more lymph nodes |
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I
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T1-2 N0 M0
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IIA
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T3 N0 M0
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IIB
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T4a N0 M0
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IIIA
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T1-2 N1 M0
T1 N2a M0 |
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IIIB
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T3-T4a N1 M0
T2-T3 N2a T1-T2 N2b |
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IIIC
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T4a N2a
T3-T4a N2b T4b N1-N2 |
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IV
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M1a - metastasis confined to one organ or site
M1b - metastasis in more than one organ/site or the peritoneum |
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Stage I 5 year survival
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85-100%
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Stage IIA 5 year survival
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70%
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Stage IIB 5 year survival
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30%
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Stage IIIA-B 5 year survival
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60%
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Stage IIIC 5 year survival
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30%
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Stage IV 5 year survival
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3%
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IIC
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T4b N0 M0
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