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Lung Cancer

NCLEX Review Guide: Lung Cancer

Pathophysiology and Types

Primary Lung Cancer Classifications

  • Non-Small Cell Lung Cancer (NSCLC) accounts for 85% of cases and includes adenocarcinoma, squamous cell, and large cell carcinoma. NSCLC typically grows slower than SCLC and has better prognosis when caught early.
  • Small Cell Lung Cancer (SCLC) represents 15% of cases and is highly aggressive with rapid metastasis. SCLC is strongly associated with smoking and has poorer prognosis due to early spread.

NSCLC vs SCLC Comparison

FeatureNSCLCSCLC
Growth RateSlowerRapid
MetastasisLater stagesEarly/widespread
Smoking AssociationStrongVery strong
Treatment ResponseSurgery often viableChemotherapy/radiation

Key Points

  • Smoking is the #1 risk factor for both types
  • SCLC spreads faster but responds better to initial chemotherapy
  • Staging determines treatment approach and prognosis

Clinical Manifestations

Early and Late Signs

  • Persistent cough that changes in character, becomes productive, or contains blood (hemoptysis) is often the first symptom. Any cough lasting >3 weeks in a smoker requires immediate evaluation.
  • Dyspnea and chest pain develop as tumor grows and may compress airways or invade pleural space. Pain may be dull, aching, or sharp depending on location and invasion.
  • Constitutional symptoms include unexplained weight loss >10 pounds, fatigue, anorexia, and recurrent respiratory infections indicating advanced disease.

Clinical Scenario

A 65-year-old male with 40-pack-year smoking history presents with a 4-week history of productive cough with blood-streaked sputum, 15-pound weight loss, and increasing shortness of breath. Chest X-ray shows a 3cm mass in the right upper lobe.

Memory Aid: "LUNG SIGNS"

  • Loss of weight
  • Unrelenting cough
  • New onset dyspnea
  • Growing fatigue
  • Sputum changes
  • Infections (recurrent)
  • Growing chest pain
  • Night sweats
  • Smoking history

Key Points

  • Early lung cancer is often asymptomatic
  • Hemoptysis in a smoker = immediate workup needed
  • Superior vena cava syndrome may occur with central tumors

Diagnostic Procedures

Diagnostic Workup

  1. Chest X-ray is initial screening but may miss small lesions; shows masses, nodules, or pleural effusion
  2. CT scan of chest provides detailed imaging for staging, lymph node assessment, and biopsy planning
  3. PET scan identifies metabolically active tissue to detect metastases and guide treatment planning
  4. Tissue biopsy via bronchoscopy, CT-guided needle biopsy, or thoracotomy confirms diagnosis and determines cell type

Important Alert

Never delay biopsy in suspected lung cancer. Early diagnosis significantly impacts treatment options and survival rates.

Key Points

  • Tissue diagnosis is essential before treatment
  • Staging determines treatment approach
  • Pulmonary function tests assess surgical candidacy

Treatment Modalities

Treatment Options

  • Surgical resection is preferred for early-stage NSCLC and includes lobectomy, pneumonectomy, or wedge resection. Post-operative care focuses on respiratory status, chest tube management, and preventing complications.
  • Chemotherapy is primary treatment for SCLC and adjuvant therapy for NSCLC, with common agents including cisplatin, carboplatin, and etoposide. Monitor for bone marrow suppression and nephrotoxicity.
  • Radiation therapy may be curative for early-stage disease or palliative for advanced cancer, requiring skin care education and monitoring for esophagitis and pneumonitis.

Post-Surgical Nursing Care

Patient returns from lobectomy with chest tube to water-seal drainage. Priority assessments include respiratory rate, oxygen saturation, chest tube output and air leaks, pain level, and surgical site.

Key Points

  • Combination therapy often provides best outcomes
  • Palliative care focuses on symptom management and quality of life
  • Immunotherapy is emerging treatment for advanced NSCLC

Nursing Management

Priority Nursing Interventions

  • Airway management is top priority including positioning for optimal ventilation, encouraging deep breathing and coughing, and monitoring for respiratory distress. Elevate head of bed 30-45 degrees to promote lung expansion.
  • Pain management requires comprehensive assessment using pain scales, administering prescribed analgesics, and evaluating effectiveness. Chronic pain significantly impacts quality of life and treatment compliance.
  • Nutritional support addresses weight loss and decreased appetite through small frequent meals, nutritional supplements, and monitoring albumin and prealbumin levels.

Important Alert

Monitor for superior vena cava syndrome: facial/neck swelling, dyspnea, and distended neck veins. This is an oncological emergency requiring immediate intervention.

Memory Aid: "BREATHE" for Lung Cancer Care

  • Breathing assessment (priority)
  • Relieve pain effectively
  • Educate patient/family
  • Assess nutritional status
  • Therapeutic communication
  • Help with coping strategies
  • Evaluate treatment response

Key Points

  • Respiratory assessment is always priority
  • Provide emotional support for patient and family
  • Smoking cessation counseling even after diagnosis

Commonly Confused Points

Key Distinctions

ConceptCorrect UnderstandingCommon Misconception
SCLC vs NSCLCSCLC spreads early but responds to chemo initiallyAll lung cancers have same prognosis
HemoptysisBlood in sputum - always investigateNormal finding in smokers
Chest tube after surgeryMonitor for air leaks and drainage amountClamp tube if bubbling occurs
Pain managementAggressive pain control improves outcomesOpioids should be avoided in cancer

Quick Check Questions

  • □ Can you identify the difference between SCLC and NSCLC?
  • □ Do you know the priority assessment for post-thoracotomy patients?
  • □ Can you recognize signs of superior vena cava syndrome?
  • □ Do you understand chest tube management principles?

Study Tips

NCLEX Success Strategies

  • Focus on nursing priorities: airway, breathing, circulation always come first in lung cancer patients
  • Remember safety considerations: infection precautions during chemotherapy, fall prevention with weakness, and respiratory monitoring
  • Practice delegation questions: what can be assigned to UAP versus requiring RN assessment and intervention

Common Pitfalls to Avoid

  • Don't assume all lung masses are malignant - tissue diagnosis required
  • Don't delay pain medication due to respiratory concerns - undertreated pain worsens outcomes
  • Don't forget psychosocial needs - lung cancer diagnosis is devastating
  • Don't overlook family education about disease progression and care needs

You've got this! Lung cancer nursing requires strong assessment skills and compassionate care. Focus on the ABCs, prioritize patient safety, and remember that your nursing interventions make a real difference in patient outcomes. Keep studying and trust your knowledge!

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