This is the 715th most frequent Russian word.
лечение
Treatment.
Nominal usage of 'лечение' to denote medical treatment.
Он получил лечение в больнице.
He received treatment in the hospital.
Nominal usage of 'лечение' referring to a specific medical procedure or method.
Доктор рекомендовал новое лечение.
The doctor recommended a new treatment.
Nominal usage of 'лечение' indicating the initiation of a treatment process.