Papillary thyroid cancer multiple lymph nodes prognosis

Papillary thyroid cancer (PTC) generally has a good prognosis, with 5-year relative survival rates of 99% for regional cancer that has spread to the lymph nodes.

PTC is the most common type of thyroid cancer, accounting for 80% to 85% of cases.

It is common for PTC to spread or metastatize to nearby lymph nodes in the neck, and this happens in 40% to 50% of people with PTC. However, it still has an excellent outlook in most cases.

PTC that has spread to nearby lymph nodes but not to nearby structures is regional or stage 2 PTC.

This article looks at the outlook, treatment, and follow-up for PTC that has spread to multiple lymph nodes.

The American Cancer Society provides the following 5-year relative survival rates for PTC, based on thyroid cancer diagnoses between 2015 and 2021:

Relative survival rates compare the survival of people with a certain disease, such as a specific type and stage of thyroid cancer, to people without the disease, over a certain time period. A 5-year relative survival rate is the percentage of people who are alive 5 years after a diagnosis compared to people without that disease.

A 99% 5-year relative survival rate for regional PTC means, on average, people with that type and stage of cancer are 99% as likely to be alive 5 years after diagnosis, compared to people without the cancer.

Survival rates are estimates and cannot predict how long each individual will live for, but they can suggest how successful treatments may be. The American Cancer Society provides the following reminders to consider:

PTC is usually very slow growing, but can spread to lymph nodes within the neck. According to a 2024 article, PTC generally has a good outlook, but some subtypes of the cancer are aggressive. Aggressive cancers grow or spread quickly.

Medical professionals divide PTC into either classical or aggressive subtypes. The classical subtype has a good outlook, and aggressive subtypes have a less favorable outlook. Aggressive subtypes of PTC include:

In most cases, the treatment for PTC is surgery to remove part or all of the thyroid. For PTC that has spread to the lymph nodes, treatment will also include removal of the affected lymph nodes. Surgeons may recommend the following treatments:

If RAI is not effective at destroying any remaining cancer, people may have additional cancer treatments such as:

People may not require treatment for very small thyroid tumors. Doctors may monitor the condition closely with active surveillance, which involves regular ultrasounds to check if the cancer is growing. If there are any changes, people will then require surgery to treat the cancer.

In most cases, early diagnosis and prompt treatment of PTC result in excellent outlooks. After PTC treatment, people will need long-term monitoring to check for any signs of cancer recurrence. Follow-up care may include blood tests and imaging scans such as ultrasounds of the neck.

Most people will need to take long-term thyroid hormone replacement if they have had surgery to remove the thyroid. Doctors will prescribe a dose of levothyroxine depending on the stage of cancer people had. Doctors will monitor levels of thyroid stimulating hormone (TSH) to check people have the correct dosage.

Maintaining a healthy lifestyle may help if people have thyroid cancer, as well as promoting general good health. Certain steps may help reduce the risk of secondary cancers, including:

PTC generally has an excellent outlook. If the cancer has spread to nearby lymph nodes, which is regional cancer, the 5-year relative survival rate is 99%.

Early diagnosis and prompt treatment may help improve a person’s outlook. Treatment typically involves surgical removal of the thyroid and lymph nodes. Following surgery, a person may need to take long-term thyroid hormone replacement medication and undergo regular monitoring.