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A 56-year-old has smoked cigarettes daily for 25 years and has OHIP. They currently have no concerning respiratory symptoms. What should you consider?
Referral to the Ontario Lung Screening Program for a lung cancer risk assessment. Criteria:
Age 55–80, Daily tobacco smoking for ≥20 years & OHIP coverage
A patient meets the age and smoking criteria. Does that automatically mean they qualify for an LDCT?
No.
Step 1: Meet referral criteria → refer to OLSP.
Step 2: OLSP navigator performs a formal lung cancer risk assessment.
"Only patients meeting the risk threshold proceed to screening".
A 68-year-old with a long smoking history presents with new unexplained hemoptysis. How quickly should you refer them for routine lung cancer screening?
NOO! — This patient requires diagnostic evaluation.
What imaging modality does OLSP use to screen for lung cancer?
Low-dose computed tomography (LDCT).
A 67-year-old smoked daily for 12 years, quit for 8 years and then smoked daily for another 10 years. Do they meet the smoking-duration criterion?
Yes. The ≥20 years of daily smoking do not need to be consecutive.
What predicted lung-cancer risk makes someone eligible for OLSP screening?
A. ≥1% over 5 years
B. ≥2% over 6 years
C. ≥5% over 10 years
D. Everyone with ≥20 pack-years
B — ≥2% over the next 6 years.
A 64-year-old who otherwise meets screening criteria reports 7 kg of unexplained weight loss over the past year. OLSP screening or diagnostic workup?
Diagnostic work-up.
The current referral material specifically flags unexplained weight loss and hemoptysis as reasons to pursue the appropriate diagnostic pathway rather than routine screening.
“My patient meets the initial referral criteria, so I'll just order an annual low-dose chest CT myself.”
False — use the organized OLSP pathway.
A 61-year-old has never smoked cigarettes but has vaped daily for 20 years. Do they qualify for OLSP based on this exposure?
No. Vaping, marijuana, chewing tobacco, e-cigarettes and second-hand smoke exposure alone do not currently satisfy the OLSP smoking criterion
Besides age and smoking history, name two variables that may be incorporated into the OLSP risk assessment.
BMI, education, COPD, personal history of cancer, family history of lung cancer, plus detailed tobacco-smoking history.
65-year-old, 30 years daily smoking, feels well, normal examination and no concerning symptoms
SCREENING → refer for OLSP risk assessment.
What are some potential harms that should be discussed when deciding whether to participate in lung-cancer screening?
False-positive/indeterminate findings, additional imaging or invasive investigations, incidental findings, radiation exposure and overdiagnosis.
3 patients call the OLSP:
Patient A: 58 years old, smoked cigarettes for 25 years
Patient B: 79 years old, smoked cigarettes for 30 years
Patient C: 81 years old, smoked cigarettes for 40 years and remains functionally well
Which one of them can't?
People 81+ require a healthcare provider referral for each routine annual LDCT. The pathway differs from that for people aged 55–80.
An 83-year-old has smoked cigarettes daily for 30 years, has OHIP, is functionally well, has an estimated life expectancy >5 years, and would be able and willing to undergo lung-cancer treatment if cancer were detected. Are they automatically too old for OLSP screening?
Age >80 does not automatically exclude someone. For patients 81+, the provider should discuss screening benefits/risks and consider whether the patient is sufficiently well to undergo and recover from treatment and has a >5-year life expectancy to potentially benefit from screening. A new provider referral is required for each annual LDCT.