The staging of the<unk><unk>  is based on the TNM system.<unk><unk> s staging starts at T3  always, as there is an invasion of the chest wall. Invasion of the vertebral body or the subclavian vessels is regarded as T4.
Pancoast tumor classification
Lymphadenopathy classification
Melanoma classification
Laryngeal cancer classification
Thymoma classification
Oral cancer classification
Hemoptysis classification
Bone or cartilage mass classification