A. It’s near the Mexico City. B. It’s in Guatemala. C. It’s stretched from the plains of central Mexico to the mountains of Guatemala. D. It’s in America.
A. 固有层散在淋巴细胞浸润 B. 血管周围淋巴细胞浸润 C. 固有层淋巴细胞浸润 D. 结缔组织中淋巴细胞浸润并形成滤泡 E. 血管周围上皮样细胞及淋巴细胞结节样聚集