STOMACH: Local Resection, Gastrectomy

Specimen:
   Stomach
   Portion of stomach:
       Gastric body
       Gastric antrum
   Distal esophagus
   Proximal duodenum
   Not specified

Procedure Type:
Endoscopic resection
Partial gastrectomy, proximal
Partial gastrectomy, distal
Partial gastrectomy, other (specify):
Total gastrectomy
Other (specify):
Not specified

Tumor Site:
   Fundus:
       Anterior wall
       Posterior wall
   Body:
       Anterior wall
       Posterior wall
       Lesser curvature
       Greater curvature
   Antrum:
       Anterior wall
       Posterior wall
       Lesser curvature
       Greater curvature
   Other (specify):
   Not specified

Tumor Size:
Greatest dimension (cm):
Additional dimensions: x cm
Cannot be determined (see Comment)

Histologic Type:
Adenocarcinoma, intestinal type
Adenocarcinoma, diffuse type
Papillary adenocarcinoma
Tubular adenocarcinoma
Mucinous adenocarcinoma (greater than 50% mucinous)
Signet-ring cell carcinoma (greater than 50% signet-ring cells)
Other (specify):
Carcinoma, not otherwise specified

Histologic Grade:
Not applicable
GX: Cannot be assessed
G1: Well differentiated
G2: Moderately differentiated
G3: Poorly differentiated
G4: Undifferentiated
Other (specify):

Microscopic Extent of Tumor:
High-grade dysplasia/carcinoma in situ
Tumor invades lamina propria
Tumor invades muscularis mucosae
Tumor invades submucosa
Tumor invades muscularis propria
Tumor invades subserosal connective tissue
Tumor penetrates serosa (visceral peritoneum)
Tumor directly invades adjacent structures (specify):
Tumor penetrates to the surface of the visceral peritoneum (serosa) AND directly invades adjacent structures (specify: ):

Margins
   Proximal Margin:
       Cannot be assessed
       Uninvolved by invasive carcinoma
       Involved by invasive carcinoma
       Carcinoma in situ/adenoma not identified at proximal margin
       Carcinoma in situ/adenoma present at proximal margin
   Distal Margin:
       Cannot be assessed
       Uninvolved by invasive carcinoma
       Involved by invasive carcinoma
       Carcinoma in situ/adenoma not identified at distal margin
       Carcinoma in situ/adenoma present at distal margin
   Omental (Radial) Margins:
       Cannot be assessed
       Uninvolved by invasive carcinoma
       Lesser omental margin involved by invasive carcinoma
       Greater omental margin involved by invasive carcinoma
   Deep Margin (applies to endoscopic resections):
       Cannot be assessed
       Uninvolved by invasive carcinoma
       Involved by invasive carcinoma
       Not applicable

If all margins uninvolved by invasive carcinoma:
Distance of invasive carcinoma from closest margin: mm at

Treatment Effect (applicable to carcinomas treated with neoadjuvant therapy):
No prior treatment
Present:
    No residual tumor (complete response, grade 0)
    Marked response (grade 1, minimal residual cancer)
    Moderate response (grade 2)
No definite response identified (grade 3, poor or no response)
Not known

Lymph-Vascular Invasion:
Not identified
Present
Indeterminate

Perineural Invasion:
Not identified
Present
Indeterminate

Pathologic Staging (pTNM)

TNM Descriptors (required only if applicable) (select all that apply)
m (multiple primary tumors)
r (recurrent)
y (post-treatment)

Primary Tumor (pT):
pTX: Cannot be assessed
pT0: No evidence of primary tumor
pTis: Carcinoma in situ
pT1: Tumor invades lamina propria, muscularis mucosae, or submucosa
pT1a: Tumor invades lamina propria or muscularis mucosae
pT1b: Tumor invades submucosa
pT2: Tumor invades muscularis propria
pT3: Tumor invades subserosal connective tissue, without involvement of visceral peritoneum or adjacent structures
pT4: Tumor involves serosa (visceral peritoneum) or adjacent structures
pT4a: Tumor invades serosa (visceral peritoneum)
pT4b: Tumor invades adjacent structures

Regional Lymph Nodes (pN):
pNX: Cannot be assessed
pN0: No regional lymph node metastasis ( 0 / )
pN1: Metastasis in 1 to 2 perigastric lymph nodes ( / )
pN2: Metastasis in 3 to 6 perigastric lymph nodes ( / )
pN3: Metastasis in 7 or more perigastric lymph nodes ( / )
pN3a: Metastasis in 7 to 15 perigastric lymph nodes ( / )
pN3b: Metastasis in 16 or more perigastric lymph nodes ( / )

Distant Metastasis (pM):
Not applicable
pM1: Distant metastasis at

Additional Pathologic Findings:
   None identified
   Intestinal metaplasia
   Dysplasia
   Gastritis:
       Helicobacter pylori-type gastritis
       Other gastritis (specify):
   Polyp(s) (type[s)]:
   Other (specify):


Ancillary Studies:
Specify:
Not performed

Patient History:
   Previous gastric surgery (specify):
   Other (specify):
   Not known

Comments: