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A 78-year-old man presented to the neurologist with symptoms of sensorimotor polyneuropathy. Chest CT-scan was performed to rule out a paraneoplastic cause. Axial CT-image in lung window setting shows an 8 mm nodule, relatively well-delineated with some discrete spiculation and ground glass component surrounding. Although the lesion is small, there is a prominent retraction of the adjacent fissure. Histopathologic examination proved the malignant nature, showing an adenocarcinoma
