 Malignant melanoma of soft parts (MMSP), also called clear cell sarcoma of tendons and aponeuroses, is cytogenetically characterized by the t(12;22)(q13;q12) resulting in the chimeric EWSR1/ATF1 gene.     ///    "Eight MMSP with an EWSR1/ATF1 chimeric transcript, one soft tissue metastasis of a malignant melanoma of the skin, and one malignant melanoma cell line were examined. "