This is the 8206th most frequent Russian word.
мсэк
МСЭК (медико-социальная экспертная комиссия) – medical and social expert commission.
Here, "мсэк" is used as an acronym for the Medical and Social Expert Commission, describing its function in the context of assigning disability status.
Мсэк принял решение о присвоении инвалидности.
The MSC made a decision about granting disability status.
In this sentence, "мсэк" refers to the location or office of the Medical and Social Expert Commission where consultations take place.
На прошлой неделе я посетил мсэк для консультации.
Last week, I visited the MSC for consultation.
Here, "мсэк" symbolizes the entirety of the Medical and Social Expert Commission as an institution making impactful decisions.