Therefore, detection of API2-MALT1 fusion transcripts is useful for evaluating the prognosis and clinical behavior of the disease..     ///    "Expression of API2-MALT1 fusion transcripts was detected by reverse transcription-polymerase chain reaction analysis using formalin-fixed, paraffin-embedded tissue. "    ///    Intestinal MALT lymphomas with API2-MALT1 expression have distinctive forms of infiltration compared with those without translocation. 