label: Subglottic Cancer pT4a TNM Finding v8
label_lc: subglottic cancer pt4a tnm finding v8
description: "Subglottic cancer with moderately advanced local disease. Tumor invades cricoid or thyroid cartilage and/or invades tissues beyond the larynx (e.g., trachea, soft tissues of neck including deep extrinsic muscles of the tongue, strap muscles, thyroid, or esophagus). (from AJCC 8th Ed.)"