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Figure 6: Interstitial fibrosis composed of fibrocollagenous tissue with focal area of hyalinization and densely infiltrated by pigment containing macrophages. Focal area shows proliferation of fibroblasts

Figure 6: Interstitial fibrosis composed of fibrocollagenous tissue with focal area of hyalinization and densely infiltrated by pigment containing macrophages. Focal area shows proliferation of fibroblasts