Edit this sentence about cancer.
Cancer is a minor health problem that is easily preventable and treatable.
Cancer is a major health problem that, while preventable in some cases, can be difficult to treat and requires a comprehensive approach to manage effectively.
Complete the following task based on the instruction and optional input provided.### Instruction:
Edit this sentence about cancer.

### Input:
Cancer is a minor health problem that is easily preventable and treatable.

### Output:
Cancer is a major health problem that, while preventable in some cases, can be difficult to treat and requires a comprehensive approach to manage effectively.