A 52-year-old woman from Delhi is found to have stage IIIB cervical cancer (adenocarcinoma) with pelvic sidewall involvement on imaging. Regarding the management and prognostic factors in advanced cervical cancer, all of the following are TRUE EXCEPT:

Explanation

## Advanced Cervical Cancer: Stage IIIB Management and Prognosis ### Stage IIIB Definition and Treatment **Key Point:** Stage IIIB cervical cancer is defined by pelvic sidewall involvement (fixation or invasion) or hydronephrosis/non-functioning kidney due to ureteral obstruction. ### Why Option 2 (Correct Answer) is Wrong Adenocarcinoma of the cervix has a **WORSE prognosis** compared to squamous cell carcinoma at the same stage. This is a crucial prognostic distinction: - Adenocarcinoma: 5-year OS ~60–65% for stage IB - Squamous cell carcinoma: 5-year OS ~75–80% for stage IB - Adenocarcinoma is more likely to have: - Deeper stromal invasion - Lymph node involvement - Distant metastases - Resistance to radiotherapy ### Verification of Other Statements | Statement | Status | Rationale | |-----------|--------|----------| | Brachytherapy essential in IIIB | **TRUE** | Brachytherapy is integral to curative intent; improves local control and survival | | Pelvic sidewall involvement = IIIB | **TRUE** | FIGO 2009: pelvic sidewall fixation/invasion defines stage IIIB | | Adenocarcinoma worse prognosis | **TRUE** | Adenocarcinoma has worse outcomes than SCC at same stage | | CCRT improves OS vs RT alone | **TRUE** | GOG 120, RTOG 90-01 trials: CCRT superior to RT alone in locally advanced disease | ### High-Yield Prognostic Factors in Cervical Cancer **Mnemonic: "SHLAD" (worse prognosis)** - **S**quamous vs **A**denocarcinoma (adenocarcinoma worse) - **H**istology grade (high grade worse) - **L**ymph node involvement (present = worse) - **A**dvanced stage (higher stage = worse) - **D**ose of brachytherapy (inadequate dose = worse) **Clinical Pearl:** Adenocarcinoma of the cervix, though less common (15–20% of cases), requires more aggressive treatment and closer surveillance due to its inherently worse biology and propensity for early lymph node and distant spread. **High-Yield:** Brachytherapy is NOT optional in stage IIIB—it is mandatory for curative intent and significantly improves local control and overall survival compared to EBRT alone. [cite:FIGO 2009 Cervical Cancer Staging; NCCN Cervical Cancer Guidelines]