An opinion as to the probable course and outcome of a disease is known as a:

A prognosis is defined as a medical professional's opinion regarding the likely progression and outcome of a disease. This assessment takes into consideration various factors such as the nature of the disease, the patient's overall health, medical history, and available treatment options. By establishing a prognosis, healthcare providers can give patients an idea of what to expect in terms of recovery, potential complications, and necessary interventions. This information is vital for both patients and healthcare teams as it influences treatment plans and helps in setting realistic expectations for recovery.

In contrast, examination refers to the physical assessment carried out to identify signs of illness. Diagnosis is the process of determining the specific disease affecting the patient based on signs, symptoms, and results from diagnostic tests. A case history documents the patient's previous health issues and treatments, serving as a backdrop for understanding the current medical condition. Thus, these terms illustrate different aspects of the medical assessment process, with prognosis specifically focusing on future outcomes.