The Illinois Workers' Compensation Commission made a decision regarding a worker's compensation claim related to an injury sustained on May 4, 2018. The arbitrator found that the petitioner was indeed injured while under the employment of the respondent and ruled that the respondent must pay for reasonable and necessary medical services, including a recommended total knee replacement. Various disputed issues were addressed, with the decision emphasizing the need for the respondent to cover appropriate medical expenses while also indicating a credit owed to them.