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Chest x-ray: Multifocal pneumonia in left lung; possibility of masses in left lung not excluded.

Chest CT: 4 large ground-glass masses in LUL (largest 46mm); beginning of Tree-In-Bud appearance in LUL; 2 small ground-glass nodules in right lung.

Lung LUL biopsy: Adenocarcinoma, Solid Predominant.

No further information as patient did not want to discuss treatment options.

Per the AJCC book and CAnswer Forum, multifocal classification should be applied equally whether the lesions are in the same lobe OR in different ipsilateral lobes OR contralateral lobes, cT2b(m), cN0, cM0.

Example: Small intestine wedge resection with GIST, 1.8 cm in mid small intestine, single nodule. Stomach nodule biopsy: GIST, 0.3 cm. Pathology report comment section indicates the gastric GIST is not staged due to the small size and incidental nature.

Patient has a history of breast cancer and diffuse large B-cell lymphoma (DLBCL), both treated with chemotherapy and radiation.

On 6/26/19, bone marrow biopsy: MDS with excess blasts-2 (18% dysplastic blasts) in a normocellular marrow (overall 40% cellularity) with trilineage dysplasia. Comment: least myelodysplastic syndrome with excess blasts-2. However, an early/evolving AML cannot be completely excluded. The findings likely represent therapy-related myeloid neoplasm.

MD note on 7/15/19: Diagnosis: MDS, high grade borderline AML with complex karyotype secondary disease. Patient has high grade MDS which is bordering on AML transformation with 20% blasts by IHC and areas higher than this. This is likely secondary to the treatment she has received for her other cancers particularly pelvic radiation for her DLBCL. Given her very high IPSS score, it is likely she will eventually develop AML. No treatment given.

On 7/15/19, bone marrow biopsy: Persistent acute leukemia in a marrow with trilineage dyspoiesis and 23% blasts.

The patient has two, separate, non-contiguous tumors. One tumor is a benign meningioma and the other is a malignant oligodendroglioma.

The original plan was not to treat the asymptomatic meningioma. However, after worsening symptoms, imaging and resection proved a separate left frontal lobe malignant tumor.

Rule M5 is the only M Rule in the Malignant CNS Multiple Primary Rules, Multiple Tumors module that addresses separate non-malignant and malignant tumors. This rule provides only two criteria to follow when a malignant tumor follows a non-malignant tumor. The first criteria (for non-malignant tumor followed by malignant tumor) states:

--Patient had a resection of the non-malignant tumor (not the same tumor) OR

--It is unknown/not documented if the patient had a resection.

This patient did not have a resection of the original, separate, non-malignant tumor, but the treatment plan was known to not include a resection. Should Rule M5 also apply to cases where the patient never had treatment planned for the separate non-malignant tumor?

The physicians do not use the Lugano system as we are instructed to stage chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) as lymphomas. I had always been instructed that this qualifies as "bone marrow involvement," or "diffuse disease," and therefore is a Stage IV. Our experts advise that there is not enough information to code it to bone marrow, but do not elaborate as to whether you can actually code Extent of Disease (EOD), SEER Summary Stage, and AJCC Staging?

Left frontal mass biopsy diagnosis comment states: Given the synaptophysin and patchy CD34 staining of these cells, the possibility of ganglioglioma and pleomorphic xanthoastrocytoma is raised. Astroblastoma and ependymoma were considered given the perivascular pseudorosettes, however GFAP staining is quite limited against these tumors. Reticulin stain shows limited perivascular reticulin staining however. Nevertheless, the necrosis, mitotic activity and elevated mitotic activity would point to a malignant neoplasm. Given the neural and limited GFAP staining, a generic classification of neuroglial is provided.

This is the only available information. Further clarification or discussion with the physician or pathologist is not possible. Therefore, is this diagnosis of neuroglial tumor equivalent to that described in SINQ 20091037?

After a little research, it appears as though Endometrial Dedifferentiated carcinoma is a relatively new term and is set to be included in ICD-O-3.2:

http://www.iacr.com.fr/index.php?option=com_content&view=category&layout=blog&id=100&Itemid=577

If you look at the link on that page for All Additions, Changes, and Revisions to the ICD-O-3, 1st Revision for ICDO-3.2, there is 8020/3 Dedifferentiated carcinoma. Currently, 8020/3 is Carcinoma, undifferentiated, NOS. For 2018 diagnosis, would you use 8020/3 for a predominantly dedifferentiated carcinoma with focal well-differentiated endometrioid adenocarcinoma as stated in the pathology: Uterus, bilateral ovaries and fallopian tubes; supracervical hysterectomy/BSO: Predominantly dedifferentiated carcinoma with focal well-differentiated endometrioid adenocarcinoma in the endometrium, FIGO grade 1 Portion of omentum, omental/anterior abdominal wall/ round ligament/uterine/small bowel mesenteric tumor nodules all involved by dedifferentiated carcinoma. Synoptic reads as follows: Histological Type: Endometrioid carcinoma, NOS Dedifferentiated carcinoma predominantly Histological Grade: Endometrioid carcinoma, FIGO grade 1.

7/25/17

Part A: Left breast at 8:00, 5 CFN: Specimen type: Stereotactic biopsy. Tumor type: Ductal carcinoma in situ (DCIS), cribriform type. Tumor size: The largest focus of DCIS measures 1 mm in greatest dimension as measured on the slide. Nuclear grade: 2 (Intermediate grade). Microcalcifications: Present. Other findings: Stromal fibrosis, microcalcification and fat necrosis.

11/1/17

A. Sentinel lymph node, left: One lymph node, negative for metastatic tumor on three levels of routine H\T\E and pan cytokeratin immunohistochemical stains.

B. Left breast: Procedure: Total mastectomy with skin and nipple. Specimen Laterality: Left. Lymph Node Sampling: Yes, portion A. Specimen Integrity: Intact. Histologic Type: Extensive ductal carcinoma in situ and one focus of Invasive ductal carcinoma with mucinous features. Histologic Grade (Nottingham Histologic Score): Glandular Differentiation: Score 3 Nuclear Grade: Score 2. Mitotic Count: Score 1. Total Nottingham score 6 (grade 2, moderately differentiated). Tumor Size: 3.3 x 2 mm (0.33 x 0.2 cm) measured on slide (B3). Tumor Site: Lower inner quadrant of left breast. Tumor Focality: Unifocal. Ductal Carcinoma In Situ (DCIS): Present, cribriform, solid and micropapillary types with focal necrosis and calcifications. Size of DCIS: Number of blocks examined: Thirty (30). Number of blocks with DCIS: Thirteen (13). Lobular Carcinoma In Situ (LCIS): Not identified, Lymphovascular Invasion: Present. Perineural Invasion: Not identified. Other Findings: Changes consistent with previous biopsy site. Cysts, foci of atypical ductal hyperplasia, focal ductal hyperplasia, adenosis, stromal fibrosis and microcalcifications. Skin (epidermis): Uninvolved. Nipple: Uninvolved. Margins: 1 mm from DCIS to the closest deep margin (slide B12). At least 10 mm (1 cm) from invasive carcinoma to deep margin. Estrogen receptor (ER, clone 1D5) by immunohistochemistry performed on this material: Positive (invasive and in situ carcinoma), high intensity, in greater than 95% of carcinoma cells. Progesterone receptor (PR, clone 16) by immunohistochemistry performed on this material: Positive (invasive and in situ carcinoma), moderate intensity in about 80% of the carcinoma cells. Her 2 by FISH performed on this material: Pending, an addendum to follow. Pathologic staging: pT1aN0(sn)MX (AJCC 7th edition). Dictated by: (Pathologist), MD Intradepartmental review.

Example: Mastectomy specimen final diagnosis shows two foci of invasive ductal carcinoma including: Invasive ductal carcinoma, no special type, in association with solid papillary carcinoma (tumor #1, 1 cm, slices 6 and 7) and invasive ductal carcinoma, no special type (tumor #2, 1.2 cm, slices 9 and 10).

Summary Staging outlines, Tumor #1: Histologic Type: Invasive ductal carcinoma, no special type, in association with solid papillary carcinoma. As well as, Tumor #2: Histologic type: Invasive ductal carcinoma, no special type. Additional findings include ductal carcinoma in situ (DCIS): presently approximately 3.3 cm, spanning slices 10-13.

The behavior of the solid papillary carcinoma component will affect the provisional histology of the first tumor (8523/3) per Rule H17 vs. 8500/3 per Rule H7). Based on the response, we can determine whether this represents a single or multiple primaries (single primary per M13 vs. multiple primaries per M14).