Evans Stage IV

Tumor spread in continuity beyond the midline or tumor spread to lymph nodes bilaterally.

Tumor spread in continuity beyond the original site of growth without crossing the midline. The lymph nodes on the homolateral site may…

Tumor confined to the original site of growth.

A person who determines the significance, worth, or condition of something by careful appraisal and study.

A description of the technique for the appraisal of a subject or object.

The period of time during which an evaluation was performed.