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26 Cards in this Set
- Front
- Back
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Clark Level I
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Confined to epidermis (in situ), not an invasive lesion
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Clark Level II
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Invasion of papillary dermis, invasion past basement membrane
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Clark Level III
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Papillary dermis filled by tumor and reticular dermis compressed, but not invaded
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Clark Level IV
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Invasion of reticular dermis, subcutaneous tissue not involved
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Clark Level V
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Invasion of subcutaneous tissue
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T1
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<= 1.0 mm in thickness
T1a, no ulceration, mitotic rate < 1/mm2 T1b, with ulceration or mitotic rate >= 1/mm2 |
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T2
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1.01 - 2 mm in thickness
T2a, no ulceration T2b, with ulceration |
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T3
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2.01 - 4 mm in thickness
T3a, no ulceration T3b, with ulceration |
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T4
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> 4 mm in thickness
T4a, no ulceration T4b, with ulceration |
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N0
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no nodes
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N1
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1 positive lymph node
N1a, micrometastasis N1b, macrometastasis |
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N2
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2-3 nodes or intralymphatic regional metastasis without nodal metastasis
N2a, micrometastasis N2b, macrometastasis N2c, satellite or in-transit metastasis without nodal metastasis |
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N3
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4 or more nodes, or matted metastatic nodes, or satellite/in-transit metastases with nodal mets
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M1a
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metastasis to skin, subcutaneous tissues, or distant lymph nodes
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M1b
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metastasis to lung
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M1c
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all other visceral sites, or mets to any site with elevated LDH
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IA
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T1a N0
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IB
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T2a or T1b N0
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IIA
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T3a or T2b N0
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IIB
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T4a or T3b N0
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IIC
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T4b N0
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III
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Any N+
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IV
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Any M1
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IIIA
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N1a or N2a (micrometastasis), no ulceration (T1-4a)
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IIIB
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N1b or N2b or N2c (micromets or satellite), no ulceration (T1-4a), N1a or N2a (micromets), with ulceration (T1-4b)
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IIIC
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N1b or N2b or N2c (micromets or satellite), with ulceration (T1-4b), or any N3
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