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Michelle C. Nguyen, Manisha H. Shah, David A. Liebner, Floor J. Backes, John Phay, and Lawrence A. Shirley

Therapeutic agents targeting the PD-1/PD-L1 axis have shown durable clinical responses in patients with various cancer types. Although objective responses are common, intrapatient heterogeneous responses have been described, and the mechanism for the different organ responses remains unknown. We present a series of patients in whom a lack of response was noted solely in the adrenal glands. This is the first case series describing 3 patients with heterogeneous patterns of response to pembrolizumab with progression of adrenal metastatic disease despite objective response (complete or partial response) in all other sites of metastatic disease. Two patients, one with melanoma and one with uterine carcinosarcoma, underwent robotic adrenalectomy for enlarging adrenal metastases. An additional patient with melanoma underwent laparotomy with attempted resection, but infiltration of the adrenal tumor into the inferior vena cava prohibited safe excision. This report provides additional insight into the heterogeneous patterns of disease response to anti–PD-1 therapy, highlighting the adrenal gland as a potential sanctuary site for this immunotherapy. These cases display the potential benefit of early surgical resection in this scenario and the pitfalls of delaying referral to a surgeon for assessment of operative intervention.

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NCCN Guidelines® Insights: Ovarian Cancer, Version 3.2022

Featured Updates to the NCCN Guidelines

Deborah K. Armstrong, Ronald D. Alvarez, Floor J. Backes, Jamie N. Bakkum-Gamez, Lisa Barroilhet, Kian Behbakht, Andrew Berchuck, Lee-may Chen, Viola C. Chitiyo, Mihaela Cristea, Maria DeRosa, Eric L. Eisenhauer, David M. Gershenson, Heidi J. Gray, Rachel Grisham, Ardeshir Hakam, Angela Jain, Amer Karam, Gottfried E. Konecny, Charles A. Leath III, Gary Leiserowitz, Joyce Liu, Lainie Martin, Daniela Matei, Michael McHale, Karen McLean, David S. Miller, Sanja Percac-Lima, Steven W. Remmenga, John Schorge, Daphne Stewart, Premal H. Thaker, Roberto Vargas, Andrea Wahner Hendrickson, Theresa L. Werner, Emese Zsiros, Mary A. Dwyer, and Lisa Hang

Epithelial ovarian cancer is the leading cause of death from gynecologic cancer in the United States, with less than half of patients living >5 years following diagnosis. The NCCN Guidelines for Ovarian Cancer provide recommendations for the diagnosis, evaluation, treatment, and follow-up for patients with ovarian, fallopian tube, and primary peritoneal cancers. These NCCN Guidelines Insights summarize the panel discussion behind recent important updates to the guidelines, including revised guidance on alternative chemotherapy regimens for patients with advanced age and/or comorbidities, a new algorithm for recurrent low-grade serous carcinoma based on developing research and novel therapeutic agents, and updated language regarding tumor molecular analysis applications in ovarian cancer.