Fig. 4From: Primary monophasic synovial sarcoma of the cervical esophagus confirmed by detection of the SS18-SSX2 fusion transcripts: case report and literature reviewPhotomicrographs of the tumors. The initial tumor (a). The secondary tumor (b). The tertiary tumor (c). The pathological grade was noted to increase for every surgery, based on the number of round cells, cellularity, the size of the nuclei, the degree of atypism, and the number of mitosesBack to article page