Delayed Cancer Diagnosis Claims in New York

Was Your Cancer Diagnosis Delayed in New York?

Your deadline to sue may not have started when the cancer was missed. In New York, it may have started the day you found out.

That rule is called Lavern's Law, and it exists because a Brooklyn mother lost her case before she knew she had one.

For a missed cancer diagnosis, New York allows suit within 2 years and 6 months of when you knew or reasonably should have known of the failure and the injury, with an outer limit of 7 years from the negligent act.

Almost every other kind of malpractice claim in this state runs from the day the mistake was made, whether or not anyone told you.

Cancer is the exception, because the harm of a missed cancer is that nobody knows.

Call (888) 713-6653 for a free, confidential review of the records. You Win or It's Free.

Lavern's Law: A Deadline That Starts When You Find Out

New York signed Lavern's Law on January 31, 2018, adding a discovery rule to CPLR § 214-a for one category of case: the negligent failure to diagnose cancer or a malignant tumor.^[1]

It changed a rule that had been quietly destroying cases for decades.

The 30-Month Discovery Clock

The statute allows the action to be commenced within two years and six months of the later of two dates. The first is when the person knows or reasonably should have known both of the alleged negligent act and that the act caused injury. The second is the date of last treatment where there is continuous treatment.

Both conditions in the first branch have to be met. Knowing you have cancer is not the same as knowing that someone failed to catch it, and the statute is written to reflect that.

The Seven-Year Outer Limit

The discovery branch carries a hard ceiling: the action must be commenced no later than seven years from the alleged negligent act or omission. That is the compromise that got the bill signed, and it is unforgiving.

A film misread in 2018 and a diagnosis reached in 2026 sits right at the boundary. This is the single most common reason a strong missed-cancer case arrives at a firm too late to file.

What "Knew or Reasonably Should Have Known" Means Here

It is an objective question, and defendants litigate it aggressively. The argument is usually that something in the record put the patient on notice earlier than they claim: a second opinion, a comment from a new physician, a request for prior imaging, a records request the patient made themselves.

Which is why the date you first understood that a mistake had been made is worth writing down, along with what prompted it.

When Continuous Treatment Extends It Further

If the same provider kept treating the same condition after the miss, the clock can run from the last date of that treatment instead. That branch survives independently of the seven-year cap in the discovery branch, and on a patient who stayed with the same oncology or primary care practice for years, it can be the more generous of the two. See our page on the continuous treatment doctrine.

Who Lavern Wilkinson Was

In February 2010, Lavern Wilkinson went to the emergency room at Kings County Hospital in Brooklyn with chest pain and a cough. A chest X-ray was taken. It showed a mass in her right lung, roughly two centimeters, still small enough to treat.

No one told her. She was sent home.

She came back over the following two years with the same complaints. In May 2012 the cancer was found. By then it had spread to her liver, brain, and spine, and it was no longer curable. She died in March 2013, at 41, leaving a daughter with severe disabilities.

Her family could not sue. Under the law as it stood, the two-and-a-half-year clock had started with the missed X-ray in 2010 and expired before anyone knew the X-ray had been misread.

The statute that carries her name was signed almost five years after her death.^[2]

How a Cancer Diagnosis Actually Gets Missed

These cases are rarely a single dramatic error. They are almost always a handoff that nobody completed.

The Imaging Finding Nobody Followed Up

The radiologist usually did their job. The report says follow up in three months, and then the recommendation sits in a chart, ignored, with nobody assigned to it. The gaps are where most of these cases live.

It is the most common fact pattern in the entire category, and the reason it recurs is that a recommendation is not an order, and no system was watching to see whether anyone turned it into one.

The Symptom Attributed to Something Benign

Rectal bleeding called hemorrhoids. A persistent cough called bronchitis. Post-menopausal bleeding called normal. Attributing a symptom to the likely explanation is reasonable medicine. Failing to reconsider when it does not resolve is not.

The Screening That Was Never Ordered

Age-appropriate and risk-appropriate screening exists precisely because early cancer is silent. A patient with a family history who was never sent for a colonoscopy, or a mammogram interval that quietly stretched from one year to four, is a documented departure.

The Result That Never Reached the Patient

An abnormal pathology report, a positive fecal test, an elevated PSA, a suspicious biopsy. The result exists in the system. Nobody called. The patient assumes no news is good news, because that is what patients are taught to assume.

The Referral That Closed the Loop on Nobody

The primary care physician refers to a specialist and assumes the specialist has it. The specialist assumes primary care is managing the follow-up. The patient falls through the space between two competent practices, and a treatable cancer becomes an incurable one.

The Cancers Most Often at the Center of These Claims

Delay does more damage in some cancers than in others, and the ones that appear repeatedly in New York claims are the ones where stage at diagnosis drives survival hardest.

• Lung cancer. Five-year relative survival is about 65% when the disease is still localized and roughly 10% once it has spread to distant sites.^[3] A misread chest film is the classic case.
• Breast cancer. Missed on mammography, dismissed as fibrocystic change, or found on ultrasound and never biopsied. Survival at the localized stage is among the highest in oncology, which makes the gap created by delay enormous.
• Colorectal cancer. Localized disease has a roughly 91% five-year survival rate, and distant disease a fraction of that. Bleeding written off without a scope is the recurring fact.
• Cervical and ovarian cancer. Abnormal Pap results without follow-up colposcopy; persistent bloating and pelvic pain treated as gastrointestinal for a year.
• Prostate cancer. Rising PSA values across successive years, charted, trending, and never acted on.
• Melanoma. A lesion looked at and not biopsied, or a biopsy read as benign when a second pathologist would have called it otherwise.
• Bladder and kidney cancer. Blood in the urine attributed to infection and treated with repeated antibiotics rather than imaged.

Diagnostic failure is not a rare event in American medicine. A 2023 study in BMJ Quality & Safety estimated that about 795,000 Americans die or are permanently disabled each year as a result of diagnostic error, and that vascular events, infections, and cancers account for roughly 75% of the serious harm.^[4]

Our national page on cancer misdiagnosis claims covers the medical picture in more depth; this page covers what New York law does with it.

Proving a Delayed Diagnosis: Stage Shift and the Substantial-Possibility Standard

The defense in these cases almost never argues that the finding was caught. It argues that catching it would not have mattered.

So the case is built on the difference between two versions of the same patient: the one who was diagnosed when the cancer should have been found, and the one who was diagnosed when it actually was. That comparison is called stage shift, and it takes oncology testimony, the original imaging, the pathology, and often a tumor-growth analysis to establish.

Ask what stage this cancer was when it could have been caught. Put that next to the stage on the day it actually was. What the delay decided was which cancer they had to survive, and that is the injury we prove.

Where New York Causation Law Helps

Three of New York's four Appellate Departments permit a plaintiff to prove causation by showing a "substantial possibility" that the delay deprived the patient of a better outcome. The chance does not have to be greater than 50%, but it has to be more than slight. The Court of Appeals has not squarely resolved the question, and the phrasing of the jury charge has itself been the subject of appellate reversals.

That standard matters enormously in advanced-cancer cases, where a defendant can otherwise argue that the patient was probably going to die regardless.

What We Ask For First

The complete imaging set with the original films rather than the reports alone, every radiology read including preliminary ones, the pathology slides for independent review, the referral and result-notification records, and the practice's tracking or tickler system for outstanding follow-up. The last item is the one defendants least expect to produce.

Why Patients and Families Bring Missed-Cancer Cases to Lawsuit Legal

These are among the hardest malpractice cases to prove and among the most expensive to develop. They need an oncologist, a radiologist, sometimes a pathologist, and an economist, and the reviews start before there is any recovery to pay for them. That front-loaded cost is one reason a missed-cancer claim is handled differently from the rest of our New York injury practice.

• More than 40,000 cases handled and over $100 million recovered, with a 98% recovery rate.
• An attorney admitted in New York. Don Worley has practiced personal injury law for more than twenty years and is admitted to the New York bar.
• Recognized by Best Lawyers in America, Super Lawyers, the Million Dollar Advocates Forum, and the National Trial Lawyers.
• The firm funds the expert review. We pay for the oncology and radiology opinions and are repaid only out of a recovery.
• We give a straight answer on the deadline first. The seven-year outer limit ends cases, and the honest version of that answer is worth more to a family than an optimistic one.
• You Win or It's Free. No fee unless we recover, and free consultations available any hour.