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Cervix, loop electrosurgical excision procedure: Cervix at transformation zone with stratified mucin-producing intraepithelial lesion (SMILE). SMILE is present at the ectocervical margin. An immunohistochemical stain* for p16 demonstrates strong, diffuse positivity in the lesional epithelium. A mucicarmine stain is also positive in the lesional epithelium, supporting the diagnosis of SMILE.

Patient has a 2021 skin excision showing an atypical spindle cell neoplasm, most consistent with dermatofibrosarcoma protuberans (DFSP) with fibrosarcomatous transformation.

Per the ICD-O-3.2 Coding Table, DFSP, NOS has a behavior code of /1, and DFSP, fibrosarcomatous has a behavior code of /3. There is no code listed for DFSP with fibrosarcomatous transformation. Transformation is not included as a term that can/cannot be used for the Other Sites Schema, but this type of DFSP is often described as DFSP with fibrosarcomatous transformation. How do we code DFSP when transformation is used to describe fibrosarcomatous?

Patient was diagnosed on 01/2020, and primary site on the pathology report is Ampulla of Vater (C241). Synoptic Report states histology as: Intra ampullary papillary-tubular neoplasm in association with microinvasion.

I have reviewed the ICD-O-3 coding table and found histology Intraductal tubulopapillary neoplasm (C25_) code 8503/2. Based on the Matrix principle (Rule F on the ICD-O-3), I will change the behavior to 3 and code as 8503/3. If I look in ICDO-3, Tubulopapillary adenocarcinoma is coded 8263/3.

11/24/20 Adnexal mass, cyst fluid: Positive for malignant cells. Clusters of inhibin-positive, CK7-negative cells, consistent with adult granulosa cell tumor cells. Groups of inhibin-negative, CK7-positive epithelial cells consistent with serous borderline tumor cells. Peritoneal washing: Positive for malignant cells. Small groups of inhibin-positive, CK7-negative cells, consistent with adult granulosa cell tumor cells.

A. Left ovarian mass: Adult granulosa cell tumor (AGCT) of ovary (see note). pTNM Stage: pT1c3 pNX - Serous borderline tumor (SBT) of ovary (see note). pTNM Stage: pT1a pNX. Fallopian tube; unremarkable.

B. Right ovary: - Serous cystadenofibroma of ovary. Fallopian tube; unremarkable.

C. Left pelvic wall nodule: Fibro-calcified nodule, consistent with necrotic appendix epiploica.

D. Uterus (hysterectomy): Uterine leiomyomas. Endosalpingiosis of uterine serosa and paracervical tissue. Atrophic endometrium.

Note: The left ovarian mass is involved by a combined adult granulosa cell tumor and a serous borderline tumor. The AGCT mainly involves the thick-walled cystic area while the SBT the thin-walled cyst/s. The 2 neoplastic elements do, however, demonstrate areas of intimate and close intermingling. From the current literature, it appears that, based on FOXL2 mutation, the AGCT component of combined AGCT and ovarian epithelial tumors is either a true neoplastic processes or an AGCT- like proliferation morphologically indistinguishable from AGCT. To further evaluate the nature of the AGCT component, a FOXL2 analysis is in progress and an addendum will follow.

Since AIN I is not reportable and AIN II is not reportable until 2021, we are not sure if we can say the patient was disease free because there was no intervening reportable tumor (AIN III), or was never disease free because there was evidence of related disease (lower grade dysplasia).

Patient was initially diagnosed with a right lower lobe (RLL) lung adenocarcinoma in 2014 followed by subsequent right upper lobe (RUL) lung adenocarcinoma in 2016 (single primary). Both were treated with radiation and the nodules were seen as stable on surveillance. There was subsequent growth in the RUL nodule in 2019 and RLL nodule in 2020 as well as a new right middle lobe (RML) nodule in 2020. All left sided nodules were noted to be stable and/or ground glass opacities.

There was no documented diagnosis of malignancy in the left lung until June 2020 when the physician noted that if there was a response in the left lung to systemic treatment, then this was probably multifocal AIS. However, only one tumor in the left lung responded to treatment.

While it seems somewhat unlikely that only a single AIS in the contralateral lung should be metastasis from the right lung malignancy, it is difficult to apply the multiple tumors rules to this case.

Ampulla, biopsy: High grade dysplasia with focal intramucosal carcinoma in a background of ulceration with acute and chronic inflammation.

Surgery pathology: Head of pancreas, duodenum, and distal stomach, pancreaticoduodenectomy-Ampulla, Adenocarcinoma, intestinal type, intra-ampullary and peri-ampullary (mixed type). Grade moderately differentiated, 1.5cm. Tumor invades into duodenal submucosa. Lymphovascular Invasion: Foci suspicious for lymphovascular invasion identified. Perineural Invasion: Present.

Synoptic report: Tumor Site Intra-ampullary and peri-ampullary (mixed type). Histologic Type Adenocarcinoma, intestinal type.

There is not enough information regarding site in radiology reports or operative report. CT-A/P/C:The patient's known ampullary mass is not well visualized on this exam. No significant intrahepatic or extrahepatic biliary ductal dilation is identified. The pancreatic duct is normal caliber.