Myasthenia gravis associated with small cell carcinoma of the lung.
D018288:Carcinoma, Small Cell / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D008175:Lung Neoplasms / Q000150:complications* / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D009157:Myasthenia Gravis / Q000150:complications* / Q000175:diagnosis