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  Indian J Med Microbiol
 

Figure 4: A composite image of representative IHC stains. CDX2, TTF1, and SATB2 demonstrated relatively crisp expression. Hence, they required lower H-score cutoffs to determine a true positive result. The pPAX8 stain displayed the weakest nuclear expression and showed some nonspecific cytoplasmic positivity, necessitating a higher H-score cutoff to determine a true positive result. IHC: Immunohistochemistry

Figure 4: A composite image of representative IHC stains. CDX2, TTF1, and SATB2 demonstrated relatively crisp expression. Hence, they required lower H-score cutoffs to determine a true positive result. The pPAX8 stain displayed the weakest nuclear expression and showed some nonspecific cytoplasmic positivity, necessitating a higher H-score cutoff to determine a true positive result. IHC: Immunohistochemistry