"Tx: primary tumour cannot be assessed"
"T0: no evidence of any primary tumour"
"Tis: low-grade neoplasm confined to muscularis mucosa (carcinoma in situ)"
"T1: invasion of submucosa"
"T3: invasion of subserosa or mesoappendix"
"T4a: involvement of visceral peritoneum with mucinous epithelium or cellular mucin"
"Nx: regional lymph nodes cannot be assessed"
"N0: absent regional lymph node invasion"
"N1: metastasis to 1-3 regional lymph nodes (size of the tumour deposits greater than 0.2mm)"
"N1b: involvement of 2-3 regional lymph nodes"
"N2: metastasis to 4 or more regional lymph nodes"
"M0: no distant metastasis"
"M1a: intraperitoneal metastasis of acellular mucin without the presence of tumour cells"
"M1b: intraperitoneal metastasis of mucinous deposits with tumour cells"
"M1c: extraperitoneal metastasis"
"Gx: grade cannot be assessed"
"G2: moderately differentiated"
"G3: poorly differentiated"
"N1: metastasis to 1-3 regional lymph nodes (size of the tumour deposits greater than 0.2mm)"
"M "
"The 8th AJCC classification of mucinous neoplasms of appendix incorporates its TNM staging with significant updates in the AJCC version 9 staging 4,5. The tumour stage is given based on histopathological examination 3."
"The 8th AJCC classification of mucinous neoplasms of appendix incorporates its TNM staging with significant updates in the AJCC version 9 staging 4,5. The tumour stage is given based on histopathological examination 3."
"The 8th AJCC classification of mucinous neoplasms of appendix incorporates its TNM staging with significant updates in the AJCC version 9 staging 4,5. The tumour stage is given based on histopathological examination 3."
"TNM staging (version 9)"
"Tx: primary tumour cannot be assessed"
"Tis: low-grade neoplasm confined to muscularis mucosa (carcinoma in situ)"
"T4a: involvement of visceral peritoneum with mucinous epithelium or cellular mucin"
"T4b: direct invasion of adjacent structures"
"Nx: regional lymph nodes cannot be assessed"
"N1a: involvement of 1 regional lymph node"
"N1b: involvement of 2-3 regional lymph nodes"
"N1c: presence of deposits of tumour in the mesentery or subserosa without involvement of regional lymph nodes"
"M1a: intraperitoneal metastasis of acellular mucin without the presence of tumour cells"
"M1b: intraperitoneal metastasis of mucinous deposits with tumour cells"
"M1c: extraperitoneal metastasis"
"Gx: grade cannot be assessed"
"stage grouping"
Expected headings
"TNM staging (version 9)"
"T"
"N"
"M "
"G"
"stage grouping"
"IV B- any T any N M1b Gx, G2 or G3"