Pancreatic Cancer Symptoms and Signs. Pancreatic cancer typically does not cause symptoms until it has grown, so it is most frequently diagnosed in advanced stages rather than early in the course of the disease.
Chronic bronchitis is diagnosed when people experience a phlegm-producing cough that lasts three months of the year over at least two years in a row. Back to top Symptoms of Bronchitis
Medical Author: The difference between acute and chronic bronchitis is the length of time the symptoms last. In acute bronchitis, symptoms occur more than five days, and can last up to three weeks. In chronic bronchitis, symptoms last for at least three months of the year during two consecutive years. If your cold symptoms and cough last more than three weeks, cause chest pain, shortness of breath, or fever, see your doctor immediately.