NewsIn memory
Jack Lemmon Died of Cancer in 2001: A Plain Guide to Bladder Cancer
Contemporary reports said Jack Lemmon died of cancer at 76 without naming the type. Here is what bladder cancer means, explained calmly and simply.
A plain-language summary based on public reporting and trusted sources, linked below.

Please note: this page is educational only — it is not medical advice, and it does not speculate about anyone’s health beyond reliable public reporting. For questions about your own health, talk with your healthcare team.
A correction before anything else
Jack Lemmon, the two-time Academy Award winner known for Some Like It Hot, The Apartment and Glengarry Glen Ross, died on June 28, 2001, at the age of 76. The Guardian's obituary said he had died of cancer. Its news report the same day said sources suggested he died of complications from cancer, that he had been ill for several years, and that he had undergone gall bladder surgery the previous month.
It did not say which cancer. Nor did any other contemporary report we could verify.
This page is filed under bladder cancer, and pages naming that cancer type for him are common online. We could not confirm it from a reputable source, so we do not state it. He kept his illness private, which was his right, and it stayed private.
What follows is about the disease, not about him.
What bladder cancer is, and the split that governs everything
The bladder is a hollow, balloon-shaped organ in the lower abdomen that stores urine. NCI states that almost all bladder cancers are urothelial carcinomas, also called transitional cell carcinomas, which begin in the cells lining the inside. Squamous cell carcinoma and adenocarcinoma of the bladder are rare.
The division that matters is depth. The bladder wall has a muscle layer. A cancer that has not reached it is called non-muscle-invasive; one that has is muscle-invasive. Most bladder cancers are non-muscle-invasive at diagnosis, and the two situations are treated very differently.
Grade sits alongside stage. It describes how abnormal the cells look and how fast they are likely to grow. Our page on bladder cancer stages explains how the two combine.
The numbers
For 2026 the American Cancer Society projects 84,530 new US bladder cancer cases and 17,870 deaths, a projection SEER carries. SEER data show it is diagnosed most often in people aged 65 to 74, with a median age at diagnosis of 73.
Five-year relative survival, for people diagnosed between 2016 and 2022, tracks depth almost exactly. It is 98.0% for cancer still in the layer where it started, 73.0% once confined to the bladder proper, 41.8% once it reaches nearby lymph nodes, and 9.6% once it has spread further. Half of cases, 50%, are found in that first category. Across all stages it is 79.1%.
These are group averages from past years. They cannot predict any individual course.
What treatment involves
NCI describes surgery as the main treatment, in three forms of increasing scale.
Transurethral resection, or TUR, goes in through the urethra with a lighted tube called a cystoscope. A small wire loop cuts the tumor out or burns it away with electricity, a step called fulguration. Nothing is cut open from outside. This is the usual approach for non-muscle-invasive disease.
A partial cystectomy removes part of the bladder. NCI notes it may be an option for a low-grade tumor that has grown into the wall but sits in one area, and that people usually urinate normally afterward.
A radical cystectomy removes the whole bladder, along with nearby lymph nodes and organs containing cancer. In men that means the prostate and seminal vesicles; in women the uterus, ovaries and part of the vagina. It is used for muscle-invasive disease, or when non-muscle-invasive cancer involves a large part of the bladder.
When the bladder is removed, the surgeon builds a urinary diversion, a new route for urine to be stored and passed. That may mean redirecting urine into the colon, using catheters, or creating an opening in the abdomen that drains into an external bag.
Chemotherapy may be given before surgery to shrink a tumor, or after it to reduce the chance of return, alongside radiation, immunotherapy or targeted therapy. Our guide to bladder cancer treatment covers the sequence.
When to get checked
Blood in the urine is the symptom that matters most. NCI makes two points about it that people get wrong.
First, it can come and go. You may see blood once and then not again for weeks, which is exactly when people decide it must have been nothing. Second, it can be present in amounts too small to see, and found only on a urine test.
Take these to a doctor:
- Blood in the urine, even once, even if it does not return
- Urinating more often than usual, or often at night
- Pain or burning when urinating
- Feeling the need to urinate when the bladder is not full
- Being unable to urinate
- Lower back pain on one side, or pain in the abdomen
- Bone pain, unintended weight loss, swelling in the feet, or fatigue
NCI notes that urinary infections, kidney or bladder stones and other kidney problems cause most of these. A urine sample is usually the first test. Visible blood in urine, in an adult, is worth an appointment the same week. Our list of bladder cancer symptoms has more.
What this does not mean
- We do not state which cancer Lemmon had, because contemporary reporting did not. Pages that name one are going beyond what the record supports.
- Blood in the urine usually means something other than cancer. It still needs checking every time.
- A 79.1% all-stages survival figure does not mean bladder cancer is minor. Half of cases are caught at the earliest possible point, which lifts the average.
- Non-muscle-invasive bladder cancer often comes back, which is why follow-up cystoscopy is part of care even after successful treatment.
- Nothing here describes anyone's individual outlook.
Sources
- The Guardian, Obituary: Jack Lemmon — https://www.theguardian.com/news/2001/jun/29/guardianobituaries.filmnews2
- The Guardian, Oscar-winning Jack Lemmon dies at 76 — https://www.theguardian.com/film/2001/jun/28/news.xanbrooks
- NPR, Jack Lemmon Obit (Morning Edition, 28 June 2001) — https://www.npr.org/2001/06/28/1125073/jack-lemmon-obit
- NCI PDQ, Bladder Cancer Treatment (Patient Version) — https://www.cancer.gov/types/bladder/patient/bladder-treatment-pdq
- NCI, Symptoms of Bladder Cancer — https://www.cancer.gov/types/bladder/symptoms
- SEER Cancer Stat Facts, Bladder Cancer — https://seer.cancer.gov/statfacts/html/urinb.html
How this article was prepared
An AI-assisted editorial system helped prepare this page. No named medical reviewer has reviewed it unless one is listed.
The National Cancer Information Foundation publishes Cancer Explained. This page is for learning. It is not medical advice and does not suggest a test or treatment.
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Put the story in context
Prevention, possible warning signs, screening, and diagnosis
This story relates to Bladder cancer. The information below is general: it does not reveal anything else about a public person’s health, and not every point applies to every cancer. Personal advice depends on age, symptoms, family history, exposures, and medical history.
Prevention and risk reduction
Not every cancer can be prevented. Avoiding tobacco, protecting skin from ultraviolet radiation, limiting alcohol, staying active, and receiving recommended HPV or hepatitis B vaccination can lower the risk of certain cancers. A risk factor is not a prediction or a cause in one individual.
Symptoms and possible early signs
Possible signs vary and are often caused by conditions other than cancer. Changes worth discussing include a new lump, unexplained bleeding or weight loss, a persistent cough, lasting bowel or bladder changes, a changing skin spot, or symptoms that persist or worsen. Some early cancers cause no symptoms.
Screening and early detection
Screening looks for certain cancers before symptoms begin. Recommended tests exist only for some cancers and depend on age and risk. Screening can have benefits and harms; it is not the same as evaluating a new symptom, and there is no single routine scan or blood test that reliably screens for every cancer.
How cancer is diagnosed
Diagnosis may involve a history and exam, imaging, laboratory tests, and often a biopsy. Pathology can identify the cancer type and may test biomarkers that guide treatment. Symptoms, screening results, tumor markers, or online stories alone cannot confirm cancer.
Learn about this story’s cancer topic
A public story may encourage questions, but it should not be used to estimate your risk or choose testing. Contact a healthcare professional about a persistent or concerning change. Seek urgent care for severe or rapidly worsening symptoms.