Primary signet-ring cell carcinoma of the lung.

Abstract

Primary signet-ring cell adenocarcinoma (SRCA) of the lung is very rare. A 78-year-old man consulted to our hospital because of loss of appetite. Physical examination showed lymphadenopathy of the cervical lymph nodes. Chest X-ray showed a tumor of the right upper lobe. Blood laboratory test showed an increase of LDH and CRP. Tumor markers (CYFRA, SCC, CEA… (More)

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