Progress is gradually being made in the fight of cancer. In the early 1900s, few cancer patients had my hope of long-term survival. In the 1920s, the ratio was one in four. Currently, the ratio is down to one in three. The gain from one in four to one in three represents about 58,000 lives saved each year.

What is the topic of the paragraph?

A
The dangers of cancer

B
Cancer victims

C
The problem of cancer

D
Progress in the fight of cancer

E
The history of cancer

Progress is gradually being made in the fight of cancer. In the early 1900s, few cancer patients had my hope of long-term survival. In the 1920s, the ratio was one in four. Currently, the ratio is down to one in three. The gain from one in four to one in three represents about 58,000 lives saved each year.