## **Core Concept**
The management of liver abscess involves various treatment strategies, including antibiotic therapy and drainage. Aspiration of the abscess is considered in specific situations to ensure effective treatment and prevent complications. The decision to aspirate is based on the size, location, and clinical presentation of the abscess.

## **Why the Correct Answer is Right**
The correct answer, **C. Large size (> 5 cm)**, is right because liver abscesses larger than 5 cm in diameter are generally considered for aspiration or drainage. This is due to the increased risk of rupture and the lower likelihood of successful treatment with antibiotics alone. Large abscesses may not respond adequately to antibiotic therapy, and aspiration helps in reducing the abscess size, obtaining a sample for culture, and instilling antibiotics directly into the abscess cavity.

## **Why Each Wrong Option is Incorrect**
- **Option A: Small size (< 2 cm)**: Small liver abscesses ( 5 cm).