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stage II melanoma

 Stage II is divided into stages IIA, IIB, and IIC. In stage IIA, the tumor is either more than 1 but not more than 2 millimeters thick, with ulceration; or more than 2 but not more than 4 millimeters thick, with no ulceration. In stage IIB, the tumor is either more than 2 but not more than 4 millimeters thick, with ulceration; or more than 4 millimeters thick, with no ulceration. In stage IIC, the tumor is more than 4 millimeters thick, with ulceration.

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Three-panel drawing of stage II melanoma. The left panel shows two stage IIA tumors. One tumor is more than 1 but not more than 2 millimeters thick, with ulceration (break in the skin); the other tumor is more than 2 but not more than 4 millimeters thick, with no ulceration. The right panel shows two stage IIB tumors. One tumor is more than 2 but not more than 4 millimeters thick, with ulceration; the other tumor is more than 4 millimeters thick, with no ulceration. The bottom panel shows a stage IIC tumor that is more than 4 millimeters thick, with ulceration. Also shown are the epidermis (outer layer of the skin), the dermis (inner layer of the skin), and the subcutaneous tissue below the dermis.

Previous Definitions:stage II hypopharyngeal cancer, stage II kidney cancer, stage II laryngeal cancer, stage II lip and oral cavity cancer, stage II malignant mesothelioma
Next Definitions:stage II Merkel cell carcinoma, stage II multiple myeloma, stage II mycosis fungoides and the Sézary syndrome, stage II nasopharyngeal cancer, stage II non-small cell lung cancer