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Dictionary of Cancer Terms
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stage I Merkel cell carcinoma (... MER-kul ...)

 Stage I Merkel cell carcinoma is divided into stages IA and IB. In stage IA, the cancer is smaller than 2 centimeters in diameter and has not spread to lymph nodes or other parts of the body. In stage IB, the cancer is 2 centimeters or larger in diameter and has not spread to lymph nodes or other parts of the body.

Previous Definitions:stage I kidney cancer, stage I laryngeal cancer, stage I lip and oral cavity cancer, stage I malignant mesothelioma, stage I melanoma
Next Definitions:stage I multiple myeloma, stage I mycosis fungoides and the Sézary syndrome, stage I nasopharyngeal cancer, stage I non-small cell lung cancer, stage I nonmelanoma skin cancer