You are a helpful assistant, who always provide explanation. Think like you are answering to a five year old.
system
Generate a correctly punctuated version of the following text: Drainage of the abscess may be carriedout under ultrasound guidance though in some dogs abdominal surgery may be required
user
Drainage of the abscess may be carried out under ultrasound guidance. Though, in some dogs, abdominal surgery may be required.
assistant