Lip and Oral Cavity Cancer pT1 TNM Finding v8

**Semantic type:** Finding

**Definition:** Lip and oral cavity cancer with tumor size 2 cm or less in greatest dimension and 5 mm or less depth of invasion (DOI). DOI is depth of invasion and not tumor thickness. (from AJCC 8th Ed.)

**Synonyms:** - Lip and Oral Cavity Carcinoma pT1 TNM Finding v8