Final answer:
The size of the burn, with both anterior legs and the anterior abdomen burned, is estimated to be 27% using the Rule of Nines.
Step-by-step explanation:
The estimation of the size of a burn is crucial for determining specialized treatment needs. According to the 'Rule of Nines' used in burn assessment, the anterior abdomen constitutes 9% of the total body surface area (TBSA), and each anterior leg (from the front part of the thigh down to the toes) accounts for 9% TBSA. Therefore, if both anterior legs and the anterior abdomen are burned, the estimation would be
9% (abdomen) + 9% (left leg) + 9% (right leg) = 27% TBSA.
It is important to handle burn situations with care and to seek immediate medical attention for proper treatment and evaluation.