英语语法分析

Observation: 1. Phase contrast microscopy 2. S-100 immunostain 3. Cell's account.

观察：(1)相差显微镜，(2)S - 100免疫细胞化学染色，(3)细胞计数。

If you don't have immunostain, to establish melanoma in situ is critical in coming to the right diagnosis.

如果你没有做免疫标记，看到原位黑色素瘤对正确诊断非常重要。