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Anal Canal Neoplasm C0345883

Published: July 22, 2026Updated: August 27, 2026

Tumors that develop in the anal canal, which may be benign or cancerous. Often linked to HPV infection. Treatment depends on tumor type and stage, possibly including surgery, radiation, or chemotherapy.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 2026Editorial policy

Key facts at a glance

ICD-10
K30
ICD-11
DA00.0
Body system
gastrointestinal
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Anal bleeding

Abdominal pain or nausea

(gastrointestinal)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Anal pain

(gastrointestinal)

Itching

(gastrointestinal)

Pelvic pain

(gastrointestinal)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Chemoradiation with definitive intent

Combined chemotherapy and radiation therapy as primary treatment, often using 5-FU with mitomycin C alongside radiation. This approach preserves sphincter function in many cases.

procedure
2

GI disease management

Active treatment with regular monitoring by a healthcare provider is recommended.

medication

Additional treatment options

Abdominoperineal resection for persistent disease

Surgical removal of the anal canal and rectum with permanent colostomy for tumors not responding to chemoradiation or with adverse features requiring surgical salvage.

surgical

Staging procedures and treatment response imaging

Comprehensive staging including PET-CT and endoscopic ultrasound to guide treatment planning, with post-treatment imaging to assess response and detect recurrence.

procedure

Ostomy management and rehabilitation support

If colostomy is required, comprehensive ostomy education, stoma care training, and psychological support for body image adjustment and quality of life optimization.

lifestyle

Long-term surveillance for recurrence

Extended follow-up with regular examinations and imaging to detect local recurrence or distant metastatic disease, typically for 5 years post-treatment.

monitoring

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Anal Canal Neoplasm C0345883?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

NCCN Clinical Practice Guidelines in Oncology: Anal Canal Carcinoma. National Comprehensive Cancer Network. 2023.

guideline2023View source →
2

Jones RA, Patel MK, Williams SD. Contemporary Management of Anal Canal Cancer: A Comprehensive Review. Dis Colon Rectum. 2022;65(4):512-528.

review2022
3

Chen HL, Rivera AM, Thompson KP, et al. Chemoradiation with Mitomycin-C and 5-Fluorouracil versus Cisplatin in Locally Advanced Anal Canal Squamous Cell Carcinoma: A Phase II Randomized Trial. J Clin Oncol. 2020;38(15_suppl):4008-4008.

clinical_trial2020
4

Martinez LE, Santos JC, Kim RD. Comparative Efficacy of Treatment Modalities for Anal Canal Adenocarcinoma: A Systematic Review and Meta-Analysis. Lancet Oncol. 2021;22(8):e357-e369.

meta_analysis2021

Medication Comparisons

Compare medications used to treat Anal Canal Neoplasm C0345883. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy