The disease is believed to be slowly progressive, leading to respiratory failure and death.

These complications of advanced atherosclerosis are chronic, slowly progressive and cumulative.

In most people, symptoms of emphysema are slowly progressive.

Boxer - usually occurs at around two months of age as a slowly progressive disease.

The movement problems are slowly progressive, often resulting in the need for a cane, walker, or wheelchair.

Type 3 disease is a slowly progressive nervous system disease.

The disease leads to a slowly progressive loss of vision, which eventually leads to blindness.

This form of the disorder is slowly progressive without cardiac involvement.

Papillon - Slowly progressive with blindness at seven to eight years old.

Parkinson's disease is slowly progressive and may not become incapacitating for many years.