The Hidden Cost of Delay: Post-Pandemic Evolution of Advanced Ovarian Cancer Profiles

Background and Objectives: High-grade serous ovarian carcinoma (HGSOC) remains the most lethal gynecologic malignancy, with outcomes heavily dependent on early diagnosis and timely multimodal treatment. The COVID-19 pandemic profoundly disrupted oncologic care, leading to diagnostic delays, modified treatment algorithms, and deferred surgeries. This study aimed to assess how these disruptions influenced disease presentation, surgical complexity, and postoperative outcomes during the pandemic and post-pandemic periods in a Romanian tertiary oncology center. Materials and Methods: A retrospective, single-center cohort analysis was conducted on 112 patients with histologically confirmed HGSOC who underwent surgical treatment between 26 February 2020 and 25 February 2024. The cohort was divided into two equal groups: a pandemic cohort (2020–2022) and a post-pandemic cohort (2022–2024). Clinical, pathological, and therapeutic parameters were compared, including FIGO and T staging, surgical duration, ICU admissions, and treatment intervals. Results: The post-pandemic period was marked by a significant rise in advanced-stage presentations (FIGO IV: 17.8% vs. 33.9%, p = 0.003), peritoneal carcinomatosis (58.9% vs. 82.1%, p = 0.004), and multiorgan invasion (7.1% vs. 16.0%, p = 0.039). Mean operative time increased significantly post-pandemic (94.0 ± 36.3 vs. 123.5 ± 52.5 min, p = 0.003), as did ICU admissions (35.7% vs. 60.7%, p = 0.002). While the number of neoadjuvant and adjuvant chemotherapy cycles remained consistent between cohorts, a greater surgical complexity and longer postoperative recovery characterized the post-pandemic cases, suggesting cumulative disease progression and increased treatment demands. Conclusions: The findings indicate an association between the post-pandemic period and more advanced disease profiles at presentation, as well as increased surgical complexity, highlighting potential long-term effects of healthcare disruption. These results highlight the necessity for resilient cancer care systems emphasizing early detection, multidisciplinary coordination, and adaptive treatment models to mitigate future systemic disruptions and preserve survival outcomes in women with HGSOC.