Non-Small Cell Lung Cancer Flashcards
T stage for NSCLC
T1a: <1 cm
T1b: 1-2 cm
T1c: 2-3 cm
T2a: 3-4 cm
T2b: 4-5 cm
T3: 5-7 cm
T4: >7 cm or Local invasion
IHC findings for adenocarcinoma
TTF+
Cytokeratin7+
Cytokeratin 20-
IHC findings of squamous cell carcinoma
p63+
p40+
What is a simplified way to think of stage I NSCLC?
Tumor <4 cm without LN
What is a simplified way to think of satge II NSCLC?
With peribronchial LN+ (N1)
What is a simplified way to think of tage III NSCLC?
Contralateral LNs, or mediastinal LNs (N2/N3)
Single digit thoracic LN stations are N_?
N2
Double digit LN stations are N_?
N1
What LNs are classified as N3?
Contralateral LNs or supraclavicular
What LN stations are classified as N1?
Double digit LNs
What LN stations are classified as N2?
Single digit LNs (mediastinal LNs)
What is adequate cardiopulmonary reserve for surgery?
> 40% post-op predicted FEV-1 and DLCO
For patients with <2 cm NSCLC and N0. What is the preferred surgery?
Sublobar resection (segmentectomy or wedge resection)
What is the preferred definitive treatment option for patients with stage I NSCLC who decline surgery?
SBRT
What are predictors of poor outcomes for surgical NSCLC resection? (2)
Delayed surgery >12 weeks
R1+ surgical resection
Who should get adjuvant chemotherapy?
Stage II or III
(T2b or higher, or N+)
Preferred adjuvant chemotherapy regimen for PD-L1 negative adenocarcinoma?
Cisplatin + Pemetrexed
Preferred adjuvant chemotherapy regimen for PDL-1 negative squamous cell carcinoma?
Cisplatin + Docetaxel (or taxotere)
What is the difference in outcomes between neoadjuvant and adjuvant chemotherapy?
Magnitude of survival difference is the same
What is the indication for adjuvant atezolizumab?
PDL1 >1% stage II-III
What is the indication for adjuvant pembrolizumab?
Any PD-L1
Stage I-III
What chemoimmunotherapy regimen is approved in the neoadjuvant setting?
Platinum doublet (including carbo) + Nivo
–Approved for any PD-L1 level
Chemotherapy + nivolumab in the neoadjuvant setting benefits what patient subpopulations the most?
PD-L1+ (especially >50%)
Stage III
Indications for adjuvant osimertinib?
EGFR ex19del (or ex21 L868R but less effective)
Stage IB-IIIA
What is the use of post-operative RT?
small reduction in mediastinal recurrence, but small increase in death rate actually
Standard treatment for stage IIIA resectable NSCLC?
ChemoRT + Durvalumab
(Cis + Pem for non-squamous)
(EP or Carbo/Taxol for squamous)
Treatment for stage IIIA patients who do not want chemoradiation?
Neoadjuvant chemo+Nivo
Who should not get surgery in stage IIIA? (4)
Significant weight loss
PS>2
Borderline cardiorespiratory
Multilevel N2 disease
Preferred treatment for metastatic PD-L1 negative adenocarcinoma with no driver mutation?
Platinum+Pemetrexed and maintenance Pem
3 options for second line chemotherapy metastatic adenocarcinoma
Docetaxel + Ramicirumab
Pemetrexed
Docetaxel
Which EGFR mutation has the best prognosis?
Exon 19 deletion
What is the difference between EGFR Exon 20 mutation compared to 19 or 21?
Exon 20 is not responsive to osimertinib
Treatment for EGFR exon 20 insertion mutations
Amivantimab
Mobocertinib
Treatment for exon 20 T790M mutation
Osimertinib
Treatment options for metastatic NSCLC with EGFR exon19 deletion or exon21L858R mutation? (5)
Osimertinib
Afatinib
Erlotinib (+/-ram)
Gefitinib
Dacomitinib
Treatment for EGFR S768I mutation
Afatinib
Treatment for EGFR L861Q mutation
Afatinib
Treatment for EGFR G719X mutation
Afatinib
Most common side effect of osimertinib
Diarrhea
Rash
Prolonged QT
Hyponatremia
ILD and Cardiomyopathy are rare
Treatment for HER2 Exon 20 insertion mNSCLC?
Trastuzumab Deruxtecan
What are the 5 medications approved for ALK mutated mNSCLC in the 1st line?
Alectinib
Brigatinib
Lorlatinib
Ceritinib
Crizotinib (inferior to above)
What ALK inhibitor is approved in 2nd line setting?
Lorlatinib
Treatment a patient with metastatic NSCLC with ALK mutation with brigatinib. What side effect do you need to be watchful of and what do you need to do to prevent it?
Titrate dose from 90 mg to 180 to reduce risk of pneumonitis
Treatment for KRAS G12c mutation? (2)
Sotorasib (2nd line only)
Adagrasib (2nd line only)
Treatment for ROS-1 fusion mNSCLC? (3)
Crizotinib
Entrectinib
Repotrectinib
Treatment for BRAF V600E mutated mNSCLC? (2)
Dabrafenib+Trametinib
Encorafenib+Binimetinib
Treatment for MET exon14 mutation mNSCLC? (2)
Capmatinib
Tepotinib
Treatment for RET fusion mNSCLC? (2)
Selpercatinib
Pralsetinib
Preferred treatment for metastatic NSCLC without a driver mutation and PD-L1 >50%
IO alone or Ipi/Nivo
(Pembro, Atezo, Cemiplimab specifically)
Preferred treatment for metastatic NSCLC without a driver mutation and PD-L1 1-49%
Chemo+Pembro or Ipi/Nivo or Atezo or Cemiplimab or Durvalumab +tremelimumab
Preferred treatment for mNSCLC with no driver mutation and PD-L1 0%
Chemo+IO
Patient with ALK mutated metastatic NSCLC treated with crizotinib in first line and progressed. What are four treatment options?
Alectinib
Brigatinib
Ceritinib
Lorlatinib
Preferred treatment for metastatic squamous cell carcinoma with no driver mutation and PD-L1 0%?
Carboplatin + Paclitaxel (or abraxane) + Pembrolizumab
Preferred treatment for metastatic adenocarcinoma with no driver mutation and PD-L1 0%
Carboplatin + Pemetrexed + Pembrolizumab
Patient with two separate cancer nodules in the same lobe is classified as T_?
T3
Patient with two separate cancer nodules in different lobes of the same lung is classified as T_?
T4
Standard of care treatment paradigm for superior sulcus tumor (Pancoast tumor)
Neoadjuvant chemoRT followed by surgery. Then adjuvant chemotherapy.
2 Most common mechanisms for acquired resistance to osimertinib?
MET amplification
EGFR C797S mutation
Indication for adjuvant Alectinib?
Stage IB (>4 cm) to IIIA NSCLC with ALK rearrangement
2 Most common side effects of crizotinib?
Visual disturbances
elevated LFTs
How do you manage nephrotic syndrome from bevacizumab?
Discontinue bev
What is the preferred ALK inhibitor to use when a patient develops resistance mutations?
Lorlatinib
4 common/unique side effects of alectinib
Hepatotoxic
ILD
Bradycardia
Myalgia/CPK elevation
Patient with metastatic EGFR mutated NSCLC on osimertinib has progression in multiple spots and is symptomatic. Next Treatment?
Amivantamab + Carboplatin + Pemetrexed
Which ALK inhibitor has a warning about hyperlipidemia?
Lorlatinib
What cardiac side effect is common among all ALK TKIs?
Bradycardia