Primary Mucosal Melanoma of the Stomach

Table 1

Basic Classification System of Mucosal Melanoma. AJCC_TNM Classification for Mucosal Melanoma.

Primary Tumor
T3	Mucosal Disease
T4a	Moderately advanced disease. Tumor involving deep soft tissue
T4b	Very advanced disease
Regional Lymph Node Involvement
NX	Regional Lymph nodes cannot be assessed
N0	No regional lymph node metastasis
N1	Regional lymph node metastases present
Distant Metastasis
M0	No distant metastasis present
M1	Distant metastasis