Metastatic Adenocarcinoma of the Lung Presenting as a Presternal Cutaneous Mass: Case Report and Brief Literature Review

Background: Cutaneous metastases from lung cancer are uncommon; they can be the presenting sign of an unknown malignancy. Case Report: We present a 53-year-old man with a presternal mass that proved to be a cutaneous metastasis revealing an underlying lung adenocarcinoma. We searched the relevant literature and present a review of the main clinical and pathological features of this type of cutaneous metastasis. Conclusion: Skin metastases are a rare manifestation of an underlying lung cancer, of which they can be the initial manifestation. Recognition of these metastases is important to promptly introduce an appropriate treatment.