Cancer of the larynx in stage IVA. Definition

Medical Definition: Cancer of the larynx in stage IVA

Stage IV is divided into stages IVA, IVB and IVC. In stage IVA, one of the following situations: 1) the cancer has spread through the thyroid cartilage or has spread to tissues beyond the larynx such as the neck, trachea, thyroid, or esophagus , the cancer may have spread to one lymph node on the same side of the neck as the original tumor and the lymph node is smaller than three centimeters, 2) the cancer has spread to one or more lymph nodes anywhere in the neck and lymph nodes are less than six centimeters, the cancer may have spread to tissues beyond the larynx such as the neck, trachea, thyroid, or esophagus. The vocal cords can move normally.

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