What are the most common gynecologic cancers in seniors?

Among seniors, the most common gynecologic cancers include **endometrial (uterine) cancer**, **ovarian cancer**, **cervical cancer**, **vaginal cancer**, and **vulvar cancer**. These cancers originate in different parts of the female reproductive system and vary in frequency, symptoms, and prognosis.

**Endometrial cancer** is the most frequently diagnosed gynecologic cancer in older women. It arises from the lining of the uterus, called the endometrium. The hallmark symptom is abnormal vaginal bleeding, especially after menopause, which often prompts medical evaluation. Most cases are endometrioid adenocarcinomas, which tend to be detected relatively early due to bleeding symptoms. However, rarer and more aggressive forms, such as uterine sarcomas, develop in the muscular wall of the uterus and are less common but more challenging to treat. Uterine sarcomas include leiomyosarcoma and endometrial stromal sarcoma, which can grow rapidly and may not cause early symptoms like bleeding.

**Ovarian cancer** is another significant gynecologic cancer in seniors, often diagnosed at a later stage because early symptoms are vague or absent. It originates in the ovaries and includes several subtypes, with epithelial ovarian cancer being the most common. Because ovarian cancer symptoms can be subtle—such as bloating, pelvic discomfort, or changes in urinary habits—it is often detected after it has spread beyond the ovaries.

**Cervical cancer** incidence decreases with age due to widespread screening programs, but a notable proportion of new cases still occur in women over 65. Cervical cancer begins in the cervix, the lower part of the uterus that opens into the vagina. It is often caused by persistent infection with high-risk human papillomavirus (HPV) types. Regular Pap smears and HPV testing have significantly reduced cervical cancer rates, but continued vigilance is important in seniors, especially those with risk factors or incomplete screening histories.

**Vaginal cancer** is rare but can occur in older women. The most common type is squamous cell carcinoma, which arises from the flat cells lining the vagina. Adenocarcinomas of the vagina are less common and can be more difficult to diagnose because they may develop deeper in the vaginal canal. Some rare types, like clear cell adenocarcinoma, have historical links to prenatal exposure to certain drugs but are now very uncommon.

**Vulvar cancer** affects the external female genitalia and is more common in older women. It often presents with itching, pain, or visible lesions on the vulva. Squamous cell carcinoma is the predominant type. Like vaginal and cervical cancers, some vulvar cancers are associated with HPV infection, but others are linked to chronic skin conditions or aging-related changes.

In seniors, these gynecologic cancers pose unique challenges. Aging can affect how symptoms present and how well patients tolerate treatments like surgery, chemotherapy, or radiation. Additionally, resilience—the ability to recover from treatment stress—is a critical factor influencing outcomes. Research suggests that factors such as mitochondrial function and oxidative stress may impact recovery and treatment tolerance in older adults with gynecologic cancers.

Regular gynecologic care remains important for seniors, even after menopause. Although routine Pap tests may be discontinued after age 65 in women with adequate prior screening, pelvic exams and symptom monitoring continue to be essential. Medicare and other health programs often cover periodic breast and pelvic exams for older women because many gynecologic cancers develop or are diagnosed later in life.

Understanding the types, symptoms, and risk factors of gynecologic cancers in seniors helps promote early detection and tailored treatment approaches. Awareness of changes such as abnormal bleeding, pelvic pain, or unusual vaginal symptoms should prompt timely medical evaluation to improve outcomes in this population.