A 35-year-old woman from rural Maharashtra undergoes cervical cancer screening via Pap smear. Cytology shows cells with markedly enlarged atypical nuclei (marked **A** in the diagram), irregular nuclear membranes, and coarse chromatin. The cytopathologist reports HSIL (High-Grade Squamous Intraepithelial Lesion). Based on the findings in structure **A**, what is the most appropriate next management step according to current ASCCP guidelines?