MedicalTerminology DB
Cancer & Tumors Cancer & Oncology Skin, Hair & Nails

stage I melanoma

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1 Definition of stage I melanoma

Meaning of stage I melanoma: Stage I is divided into stages IA and IB.

Stage I is divided into stages IA and IB. In stage IA, the tumor is not more than 1 millimeter thick, with no ulceration (a break in the skin). In stage IB, (1) the tumor is not more than 1 millimeter thick and it has ulceration; or (2) the tumor is more than 1 but not more than 2 millimeters thick, with no ulceration.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.