An Unusual Presentation of Lung Cancer

Abstract Soft-tissue metastasis refers to the growth of cancer cells originating from internal cancer in the soft tissues. In most cases, soft-tissue metastasis develops after initial diagnosis of the primary internal malignancy and late in the course of the disease. In very rare cases, they may occur at the same time or before the primary cancer has been detected. In our case, the soft-tissue metastasis and the primary lung cancer were diagnosed at the same time. To the best of our knowledge soft tissue metastasis on the anterior abdominal wall of unknown primary lung cancer is an extremely rare condition and only a handful of cases have been reported till date .We report a case of unsuspected soft tissue metastasis on the anterior abdominal wall of an unknown primary lung cancer with relevant discussion on the same.