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Rectal Cancer

At GastroDoxs in Katy, our expert team provides compassionate and comprehensive rectal cancer screening, diagnosis, and personalized treatment plans, ensuring timely, state-of-the-art care and support for local patients focused on improving outcomes, promoting prevention, and delivering peace of mind.

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Texas Medical Board
Harris County Medical Society
American College of Gastroenterology
American Society for Gastrointestinal Endoscopy
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Houston Methodist leading Medicine
HCA Houston Healthcare
Bharat Pothuri
Symptoms

What is Rectal Cancer?

Rectal cancer starts when cells in the rectum-the final segment of the large intestine-grow uncontrollably. These cells can form tumors, invade nearby tissues, and spread to other organs if not caught early.

Common Symptoms

Early signs of rectal cancer can be subtle. Watch for:

  • Blood in your stool or on toilet paper
  • Frequent diarrhea, constipation, or other changes in bowel habits
  • Narrow or pencil-thin stools
  • Pain or cramping in the lower abdomen or rectum
  • Unexplained weight loss
  • Tiredness, weakness, or anemia

Causes

The exact cause of rectal cancer is unknown, but certain factors can raise your risk:

  • Age over 50
  • Family history of colorectal cancer
  • Inflammatory bowel disease (Crohn's disease or ulcerative colitis)
  • High-fat, low-fiber diet
  • Lack of regular physical activity
  • Smoking and heavy alcohol use
Treatment

Treatment Options for Rectal Cancer in Katy

Treatment includes a combination of therapies tailored to your needs:

  • Surgery: Removal of the tumor and affected lymph nodes to achieve clear margins and reduce recurrence risk.
  • Radiation therapy: Delivered before surgery (neoadjuvant) to shrink tumors or after surgery (adjuvant) to destroy residual cancer cells.
  • Chemotherapy: Systemic drugs such as 5-FU, capecitabine, or oxaliplatin used alone or with radiation to kill cancer cells and prevent spread.
  • Targeted therapy & immunotherapy: Medications that block specific cancer pathways or boost the immune system, often used in advanced or metastatic cases.
  • Clinical trials: Access to cutting-edge treatments and novel drug combinations under investigation.
  • Supportive care: Pain management, nutritional support, and rehabilitation services to maintain quality of life throughout treatment.

Ready to Take the Next Step?

Don't wait-early action saves lives. Schedule your appointment with our rectal cancer specialists in Katy at GastroDoxs today. We offer on-site imaging, personalized treatment plans, and dedicated support at every stage of your care. Book now and let us help you chart a path toward recovery.

1.5K

Patients Treated

We've successfully treated more than 1.5K patients, helping individuals improve their digestive health and overall well-being through expert, personalized care.

20Y

Years of Experience

With over 20 years of experience, GastroDoxs has been a trusted provider of gastroenterology care, focusing on delivering the best outcomes for patients

Bharat Pothuri

About the Author

Dr. Bharat Pothuri is a Board-Certified Gastroenterologist and Hepatologist. With extensive experience in digestive health, he specializes in advanced endoscopic procedures, chronic GI disorder management, and preventive care. Dr. Pothuri is dedicated to providing expert, patient-focused insights to help improve gut health and overall well-being.

Frequently Asked Questions

What is the survival rate for stage 3 rectal cancer by age?

On average, the five-year survival rate for stage 3 rectal cancer ranges from 70 % to 80 %. Younger patients often respond better and have slightly higher rates within this range.

What's the prognosis for stage 4 rectal cancer?

The prognosis for stage 4 rectal cancer varies widely depending on overall health, tumor biology, and treatment response. Advances in chemotherapy, targeted therapy, and immunotherapy mean many patients live longer than in the past.

What is the survival rate for stage 4 rectal cancer?

The five-year survival rate for stage 4 rectal cancer is approximately 14 % to 20 %. Individual outcomes depend on factors such as overall health, metastasis sites, and the treatments used.

What are the main types of rectal cancer?

The most common types include adenocarcinoma (the vast majority of cases), squamous cell carcinoma, neuroendocrine tumors, and gastrointestinal stromal tumors (GISTs).

How can I prevent rectal cancer?

Preventive measures include eating more fruits, vegetables, and whole grains; staying physically active; avoiding red and processed meats; refraining from smoking and heavy alcohol use; and getting regular colorectal screenings starting at the age recommended by your doctor.

What is the ICD-10 code for rectal cancer?

The ICD-10 code for rectal cancer is C20. This code is used for insurance billing and helps ensure accurate documentation of your diagnosis.

Is rectal cancer curable?

Yes-especially when detected early. Many early-stage rectal cancers can be cured with surgery, often combined with radiation or chemotherapy. Even some advanced cases respond well and can achieve long-term remission.

When is radiation used in rectal cancer treatment?

Radiation therapy is commonly given before surgery (neoadjuvant) to shrink the tumor and improve surgical outcomes, or after surgery (adjuvant) to destroy any remaining cancer cells and reduce the risk of recurrence.

What does a CT scan show in rectal cancer evaluation?

A CT scan provides detailed cross-sectional images that help your physician evaluate the size and exact location of the tumor, as well as check for spread to nearby lymph nodes or distant organs.

How can I tell if it's rectal cancer or hemorrhoids?

Both can cause rectal bleeding, but only a medical evaluation-including a physical exam, colonoscopy, or imaging-can definitively distinguish between hemorrhoids and rectal cancer.

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