Task: Sentence Expansion
Input (English): They are usually on the skin surface ( such as a boils , or deep skin abscesses ) , in the lungs , brain , teeth , kidneys and tonsils .
Output (English): Abscesses may occur in any kind of tissue but most frequently on skin surface ( where they may be superficial pustules ( boils ) or deep skin abscesses ) , in the lungs , brain , teeth , kidneys , and tonsils .