# Situation: A 64-year-old man who has smoked 1 pack of cigarettes a day for 40 years is admitted with newly diagnosed small cell lung cancer. Chemotherapy with cisplatin and etoposide is planned. His daughter asks why surgery is not part of his treatment plan. Which explanation is accurate?

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=629745  
> language: ko  
> subject: Nursing Practice III — Care of Clients with Problems in Surgery, Oxygenation, Fluid and Electrolytes, Infectious, Inflammatory and Immunologic Response, Cellular Aberrations

## 문제

Situation: A 64-year-old man who has smoked 1 pack of cigarettes a day for 40 years is admitted with newly diagnosed small cell lung cancer. Chemotherapy with cisplatin and etoposide is planned.

His daughter asks why surgery is not part of his treatment plan. Which explanation is accurate?

## 보기

1. This cancer grows too slowly for surgery to change the outcome
2. This cancer has usually spread by the time it is diagnosed **✔ 정답**
3. This cancer usually lies at the lung edge, beyond surgical reach
4. This cancer responds poorly to drugs, so surgery comes later

**정답: 2**

## 해설

Small cell lung cancer is very aggressive, and most clients already have spread at diagnosis. It is therefore treated mainly with chemotherapy, with radiation for limited-stage disease and immunotherapy for extensive-stage disease; surgery is rarely used.

## 심화 해설

Clinical context Small cell lung cancer (SCLC) is a neuroendocrine tumor with a distinct biologic behavior compared with non–small cell lung cancer. The daughter’s question reflects a common misconception that all solid lung tumors should be resected. The accurate explanation is that small cell lung cancer has usually spread by the time it is diagnosed, which makes surgery an ineffective primary strategy for most patients.

Why surgery is not the initial plan SCLC is characterized by rapid growth and early disseminated disease with poor outcome [2]. The tumor doubling time is short, and micrometastatic spread occurs before the primary lesion becomes clinically apparent. By the time a patient presents with symptoms and imaging identifies the mass, distant spread is already present in the majority of cases. This explains why surgical resection of the primary tumor alone cannot control the systemic disease burden.

The historical basis for avoiding surgery is also important. For many years, the diagnosis of SCLC was considered a contraindication to surgery because radiotherapy was at least equivalent for local control, and the resectability rate was poor [1]. In addition, SCLC is exceptionally sensitive to chemotherapy and radiotherapy, which makes systemic treatment the logical first-line approach [3]. Cisplatin plus etoposide targets both the primary tumor and circulating or micrometastatic cells that surgery cannot address.

Staging and treatment framework SCLC is staged practically as limited-stage or extensive-stage disease. The goal of staging is to define whether disease is metastatic or non-metastatic [4]. Limited-stage disease is treated with chemotherapy plus radiation, while extensive-stage disease is treated with chemotherapy plus immunotherapy. Surgery is reserved for a very small subset of patients with truly localized, node-negative disease—often discovered incidentally—and is always part of a combined modality approach rather than a standalone curative resection [2].

| Option | Why it is incorrect |
| --- | --- |
| 1. Grows too slowly | SCLC grows rapidly, not slowly; slow growth is more typical of some non–small cell lung cancers. |
| 3. Lies at the lung edge | Anatomic location is not the limiting factor; systemic dissemination is the core problem. |
| 4. Responds poorly to drugs | SCLC is highly chemosensitive, so drugs are used first, not saved for later. |

Key point! The reason surgery is rarely used in SCLC is not technical resectability but the high probability of occult metastatic disease at diagnosis. Watch out! Do not confuse SCLC with early-stage non–small cell lung cancer, where surgical resection is the standard curative approach. The presence of a heavy smoking history and rapid symptom onset should raise suspicion for SCLC and prompt staging for systemic disease before any surgical consideration.References (research sources)

- [1]Surgery in small-cell lung carcinoma. Where is the rationale?Research articleLeo F, Pastorino U (2003) · DOI: 10.1002/ssu.10035

- [2]Current role of surgery in small cell lung carcinoma.Research articleKoletsis EN, Prokakis C, Karanikolas M, Apostolakis E, Dougenis D (2009) · DOI: 10.1186/1749-8090-4-30

- [3]Small cell lung cancer: treatment review.Research articleCooper S, Spiro SG (2006) · DOI: 10.1111/j.1440-1843.2006.00850.x

- [4]Small-cell lung cancer.Research articlevan Meerbeeck JP, Fennell DA, De Ruysscher DK (2011) · DOI: 10.1016/S0140-6736(11)60165-7

## 임상 시나리오

Small Cell Lung Cancer: Why Surgery Is Not First-LineEarly systemic spread makes chemotherapy the primary treatment
Small cell lung cancer is highly aggressive with a short tumor doubling time, and most patients already have distant metastasis at diagnosis. Surgical resection cannot address micrometastatic disease that is already present.

First-line treatment is cisplatin plus etoposide, which targets both the primary tumor and circulating tumor cells. Radiation is added for limited-stage disease, and immunotherapy is used for extensive-stage disease.

CautionDo not describe SCLC as slow-growing or peripheral. It is a central, rapidly growing tumor that is highly chemosensitive, so surgery is rarely indicated.

## 핵심 개념

- **Small cell lung cancer** — A highly aggressive neuroendocrine lung tumor with rapid growth and early metastatic spread.
- **Cisplatin** — A platinum-based chemotherapy agent that cross-links DNA and is a first-line drug for SCLC.
- **Etoposide** — A topoisomerase II inhibitor commonly combined with cisplatin for SCLC treatment.
- **Micrometastasis** — Spread of cancer cells too small to be detected by standard imaging at diagnosis.
- **Limited-stage disease** — SCLC confined to one hemithorax that may be treated with chemotherapy plus radiation.

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