INvasive ca is negative for SMA. SMA stains also myofibroblast in the stroma and make the evaluation difficult. So SMA is not a good marker in this situation. P63, SMMHC, calponin are good markers
INvasive ca is negative for SMA. SMA stains also myofibroblast in the stroma and make the evaluation difficult. So SMA is not a good marker in this situation. P63, SMMHC, calponin are good markers