Fig. 2

Cut obtained from a FFPE biopsy performed in a patient with locally advanced non-metastatic CRC (magnification ×1.5). a Selecting the area of interest containing the tumor cells by the pathologist. b Punch of the region of interest with the TMA Master II (3DHISTECH). CRC colorectal cancer, FFPE formalin-fixed paraffin-embedded, TMA tissue microarray