Multi-choice problem: Continue writing the next sentence in this paragraph:

How to diagnose lumps in guinea pigs
Look for abscesses on the head and neck.
Abscesses under the skin are very common in guinea pigs. They are the body's attempt to' wall off' an infection and keep it from spreading.

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- In some cases, these abscesses on the head or neck can lead to abscesses of the eyes, nose, and mouth. The abscess also appears between the nose and throat as a sign of low immune function and when the animal takes medication it may also appear under oral or bite status.;
- Abscesses can form either after a bite from another guinea pig, or if something rough and sharp (e.g., straw) goes through the skin. They can form anywhere on a guinea pig's body, but the most common locations are the head and neck.;
- They are actually cancerous cancerous, which means the area below the skin is sensitive to uvb radiation. Abscesses are typically not visible on the face and neck.;
- Guinea pigs with abscesses are most commonly found under noses over the head. A paralyzed guinea pig is able to go into a litter box, while another guinea pig is unable to go into the toilet.;
Abscesses can form either after a bite from another guinea pig, or if something rough and sharp (e.g., straw) goes through the skin. They can form anywhere on a guinea pig's body, but the most common locations are the head and neck.