1.   Internal audits, unlike the external ones, are not legally required and are performed to help corporate managers keep better track of their money.

2.   But on Thursday, Pafko told the news agency CTK that the tracheotomy the doctors performed to help Havel breathe could be removed as early as this coming weekend.

3.   Due to a tracheotomy doctors had performed to help him breathe, Havel was unable to speak and was communicating only by written notes.

4.   Havel cannot speak due to a tracheotomy performed to help him use the respirator.