This is the 4628th most frequent Russian word.
диагноз
Diagnosis.
As a noun, 'диагноз' here refers to the medical determination of an illness or condition.
Врач поставил пациенту точный диагноз.
The doctor gave the patient an accurate diagnosis.
In this sentence, 'диагноз' is used as a subject noun, indicating the confirmed medical finding.
После долгих обследований диагноз был подтверждён.
After long examinations, the diagnosis was confirmed.
Here, 'диагноз' emphasizes the critical nature of accurate medical judgment, showing its relationship to outcomes.