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
The incubation period for bronchitis may be seen among certain groups of people. For instance, mycoplasma pneumoniae tends to occur in young adults and older school-age children. The incubation period for this bronchial infection may last from 16 to 30 days.