During a consultation, a 45-year-old chronic smoker
presents with a whitish lesion on the floor of the mouth,
approximately 1 cm in diameter, painless and without
signs of inflammation. The lesion has been present for
about three months without regression. The dentist
performs an incisional biopsy for histopathological
analysis, suspecting a potentially malignant lesion.
Considering the clinical context and the principles of
stomatological diagnosis, evaluate the following
statements: