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  Indian J Med Microbiol
 

Figure 4: Photomicrographs of oral squamous cell carcinoma showing invasive tumor front patterns; (a) Type 1 pattern with broad pushing margins; (b) Type 2 pattern with pushing finger-like margins; (c) Type 3 with invasive islands; (d) Type 4 showing strands of tumor cells; (e) Type 5 with tumor satellites of varying sizes (H and E; ×40)

Figure 4: Photomicrographs of oral squamous cell carcinoma showing invasive tumor front patterns; (a) Type 1 pattern with broad pushing margins; (b) Type 2 pattern with pushing finger-like margins; (c) Type 3 with invasive islands; (d) Type 4 showing strands of tumor cells; (e) Type 5 with tumor satellites of varying sizes (H and E; ×40)