Which statement regarding stage is true?

Pathologic staging is a critical aspect of cancer classification and incorporates the findings from surgical procedures along with clinical staging data. This means that pathologic staging includes the information gathered before the surgical intervention (clinical staging) and the results determined during or after surgery, such as the degree of tumor invasion, lymph node involvement, and metastasis found at the time of surgery. This combined approach allows for a more accurate assessment of the extent of the disease, which is essential for determining the prognosis and appropriate treatment options.

The other statements regarding restaging are not universally true. Restaging is not a standard practice for every case, as it generally applies under specific circumstances, such as when there is a change in the patient's clinical status or if the treatment outcome is being evaluated after initial treatment. Therefore, while restaging can occur, it is not as common as the statement implies. Thus, the focus on the definition and characteristics of pathologic staging is what solidifies the truth of the correct statement.