Medically reviewed by David B. Samadi, MD | Last Reviewed: June 2026 | Last Updated: June 2026

Receiving a prostate cancer diagnosis can be overwhelming. Many men assume that treatment must begin immediately, but that isn’t always the case. Advances in prostate cancer diagnosis have shown that many men with low-risk prostate cancer may not require immediate surgery or radiation. Instead, they may be excellent candidates for active surveillance prostate cancer management—a carefully monitored approach that allows patients to delay or even avoid treatment while maintaining excellent outcomes.
At Prostate Cancer 911, we believe every patient deserves personalized care based on the unique characteristics of their cancer, overall health, and personal goals. Active surveillance has become a well-established management strategy for carefully selected patients, helping many men preserve their quality of life without compromising cancer control.
What Is Active Surveillance?
Active surveillance is a structured monitoring program for men diagnosed with low-risk prostate cancer. Rather than treating the cancer immediately, physicians closely monitor it through regular testing and examinations.
The goal is simple:
- Avoid unnecessary treatment
- Preserve urinary and sexual function
- Identify any signs of progression early enough to provide curative treatment if needed
Unlike “doing nothing,” active surveillance is a proactive medical strategy involving frequent follow-up visits and diagnostic testing.
Why Immediate Treatment Isn’t Always Necessary
Prostate cancer behaves differently than many other cancers.
Some prostate cancers grow rapidly and require prompt treatment. However, many prostate cancers grow extremely slowly and may never cause symptoms or threaten a man’s health.
Research has shown that many men with carefully selected low-risk prostate cancer can safely delay treatment for years without affecting long-term survival.
This approach reduces exposure to treatment-related side effects while maintaining excellent cancer outcomes.
Who Is a Candidate for Active Surveillance?
Not everyone qualifies for active surveillance.
Generally, candidates have:
- Low PSA levels
- Low Gleason Grade Group (typically Grade Group 1)
- Small amount of cancer found on biopsy
- Cancer confined to the prostate
- No evidence of aggressive disease on MRI
- Favorable genomic testing (when appropriate)
Age and overall health also play an important role.
Younger men with very low-risk disease may benefit significantly from surveillance, while older men with other health conditions may also avoid unnecessary treatment.
Your urologist considers multiple factors before recommending this option.
Understanding Low-Risk Prostate Cancer
Low-risk prostate cancer generally includes tumors that have:
- PSA less than 10 ng/mL
- Gleason Score 6 (Grade Group 1)
- Clinical Stage T1-T2a
- Limited cancer involvement on biopsy
These tumors are much less likely to spread outside the prostate compared with higher-grade cancers.
Many remain stable for years.
What Does Active Surveillance Involve?
Active surveillance requires regular follow-up appointments to monitor for any changes.
Your surveillance schedule may include:
PSA Blood Tests
Typically performed every 3 to 6 months to monitor PSA trends.
Digital Rectal Exam (DRE)
Your physician checks for changes in the prostate that may suggest progression.
Multiparametric MRI
Advanced MRI imaging helps visualize suspicious areas and detect changes over time.
MRI has become an important tool in improving surveillance accuracy.
Repeat Prostate Biopsies
Periodic biopsies allow physicians to determine whether the cancer remains low-risk or has become more aggressive.
Some practices now use MRI-guided targeted biopsies to improve diagnostic precision.
Genomic Testing
Certain patients may benefit from molecular testing that helps estimate how likely the cancer is to progress.
What Happens If the Cancer Changes?
Active surveillance does not mean treatment is delayed indefinitely.
Instead, treatment begins if testing shows evidence that the cancer is becoming more aggressive.
Possible triggers include:
- Rising PSA levels
- MRI changes
- Higher Gleason score on repeat biopsy
- Increased tumor volume
- New symptoms
When progression is detected early, treatment remains highly effective.
Benefits of Active Surveillance
For many men, active surveillance offers significant advantages.
Avoid Unnecessary Treatment
Many men never require surgery or radiation.
Preserve Quality of Life
Avoiding treatment helps maintain:
- Erectile function
- Urinary control
- Normal bowel function
Lower Risk of Treatment Side Effects
Surgery and radiation carry risks that include:
- Urinary incontinence
- Erectile dysfunction
- Bowel irritation
- Fatigue
Active surveillance postpones or eliminates these risks for many patients.
Excellent Long-Term Outcomes
Large clinical studies have demonstrated outstanding survival rates for appropriately selected patients undergoing active surveillance.
Are There Any Risks?
Like any medical strategy, active surveillance has limitations.
Potential concerns include:
Cancer Progression
Although uncommon in properly selected patients, cancer can become more aggressive over time.
This is why routine monitoring is essential.
Anxiety
Some patients experience emotional stress knowing cancer remains untreated.
Education and ongoing communication with your physician often help reduce this anxiety.
Repeat Testing
Regular blood tests, MRIs, and biopsies require commitment and follow-up.
Active Surveillance vs. Watchful Waiting
These terms are often confused.
Active Surveillance
- Intended for low-risk prostate cancer
- Regular monitoring
- Goal is cure if progression occurs
- Recommended for otherwise healthy men
Watchful Waiting
- Less intensive monitoring
- Usually recommended for older patients or those with significant medical conditions
- Focuses on symptom management rather than cure
Your physician can help determine which approach best fits your situation.
Lifestyle During Active Surveillance
Although lifestyle changes cannot cure prostate cancer, maintaining overall health may support long-term wellness.
Recommendations include:
- Maintain a healthy weight
- Exercise regularly
- Eat a diet rich in vegetables, fruits, and whole grains
- Limit processed meats
- Stop smoking
- Manage blood pressure and diabetes
- Keep all follow-up appointments
Good overall health can improve outcomes regardless of treatment decisions.
The Importance of MRI Fusion Biopsy
Modern prostate cancer management has advanced significantly.
MRI fusion biopsy combines MRI imaging with ultrasound guidance to more accurately target suspicious areas of the prostate.
Compared to standard biopsies, MRI fusion biopsies may:
- Improve cancer detection
- Reduce unnecessary biopsies
- Better identify higher-grade cancers
- Improve active surveillance accuracy
Many specialists now incorporate MRI-guided biopsy into surveillance programs.
When Active Surveillance Is Not Appropriate
Immediate treatment may be recommended if patients have:
- Intermediate-risk prostate cancer
- High-risk prostate cancer
- Rapidly rising PSA
- Aggressive biopsy findings
- Cancer extending beyond the prostate
- Significant MRI abnormalities
Each treatment decision should be individualized after careful evaluation.
Personalized Care Matters
No two prostate cancers are exactly alike.
Some patients benefit most from surgery or radiation, while others can safely avoid treatment for many years through careful monitoring.
Choosing the right approach requires experience, advanced diagnostic tools, and personalized care.
At Prostate Cancer 911, we help patients understand every available option so they can make informed decisions with confidence.
Frequently Asked Questions (Q&A)
What is active surveillance for prostate cancer?
Active surveillance is a structured monitoring program for men with low-risk prostate cancer that delays treatment unless the cancer shows signs of progression.
Is active surveillance safe?
Yes. For appropriately selected patients with low-risk prostate cancer, studies have shown excellent long-term survival with careful monitoring.
How often will I need PSA testing?
Most patients undergo PSA testing every 3 to 6 months, although schedules vary depending on individual circumstances.
Will I still need repeat biopsies?
Yes. Repeat biopsies are an important part of active surveillance because they confirm whether the cancer remains low risk.
Does active surveillance mean my cancer is being ignored?
No. Active surveillance involves close monitoring with scheduled blood tests, imaging, physical examinations, and biopsies.
Can prostate cancer become aggressive during surveillance?
Yes. Some cancers may change over time, which is why regular monitoring is essential. If progression occurs, treatment can usually begin while the cancer is still highly curable.
Can MRI replace prostate biopsy?
MRI provides valuable information but usually cannot completely replace biopsy. Many surveillance programs combine MRI with targeted biopsies.
Will delaying treatment reduce my chances of being cured?
For carefully selected low-risk patients, research has shown that delaying treatment through active surveillance does not significantly reduce cure rates when appropriate monitoring is followed.
What happens if my PSA increases?
A rising PSA does not automatically mean treatment is necessary. Your physician will evaluate PSA trends along with MRI findings, biopsies, and other clinical information.
How do I know if I qualify for active surveillance?
Your physician will evaluate your PSA, biopsy results, Gleason grade, MRI findings, age, overall health, and personal preferences before determining if active surveillance is appropriate.
Contact Prostate Cancer 911
Prostate Cancer 911
485 Madison Ave #21st
New York, NY 10022
Phone: (212) 365-5000
Website: https://prostatecancer911.com
Request An Appointment: https://prostatecancer911.com/appointments/
