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Clinical pictures of metastatic lung undifferentiated carcinoma to multiple mandibular and maxillary gingival sites (A—C). Case 9, metastatic renal cell carcinoma involving buccal mucosa (D); case 32, metastatic lung adenocarcinoma involving maxillary gingiva (E); case 11, metastatic colon adenocarcinoma involving mandibular gingiva (F); case 24
