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Intestinal Cancer

What is Intestinal Cancer?

Intestinal cancers arise in the small or large intestine, most often in the colon or rectum, and infrequently in the small intestine. The most common is colorectal cancer. It usually starts out as harmless polyps that slowly become malignant, fueled by genetic mutations, diet, and inflammation. Symptoms can be changes in bowel habits, pain in the abdomen, and blood in the stool. At Everhope, our interdisciplinary care teams are here to assist you with innovative diagnostics, targeted treatments, and compassionate care—every step of the way.

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Intestinal Cancer Types

  • Colorectal Adenocarcinoma

    This is the most prevalent type of intestinal cancer, which arises from the glandular cells lining the rectum or colon. It begins as benign polyps and then slowly becomes malignant and may extend to lymph nodes and remote organs.

  • Small Intestine Adenocarcinoma

    A rare but highly aggressive cancer, this condition starts in the innermost lining of the duodenum, jejunum, or ileum. It typically involves cramping, nausea, or obstruction as symptoms. It normally presents late and needs surgery and systemic treatment for proper management.

  • Neuroendocrine Tumors (NETs)

    They arise from hormone-secreting neuroendocrine cells within the wall of the intestine. They can grow slowly or aggressively, depending on differentiation. Symptoms are flushing, diarrhea, or pain, and therapy spans surgery, to somatostatin analogs, to targeted therapy.

  • Gastrointestinal Stromal Tumors (GISTs)

    GISTs are rare tumors that occur from the interstitial cells of Cajal in the gastrointestinal tract, most commonly in the small intestine. They can lead to bleeding or abdominal discomfort and are typically treated by surgical excision and targeted therapy such as imatinib for advanced disease.

  • Lymphoma

    Primary intestinal lymphoma, typically a form of non-Hodgkin's lymphoma, arises from lymphoid tissue in the wall of the bowel. It occurs with greater frequency in immunocompromised persons and may cause weight loss, obstruction, or bleeding. Treatment is often with chemotherapy, immunotherapy, or stem cell transplant in certain instances.

Intestinal Cancer Symptoms

  • Widespread diarrhea, constipation, or a clear change in stool consistency lasting longer than a few weeks can be a sign of intestinal obstruction or cancer disrupting usual digestion.

What’s Notable

India is seeing a sudden surge in the occurrence of intestinal cancer, especially among urban residents, due to changes in lifestyle and diet.

They all start as harmless polyps in the intestine and can be detected and excised before they become cancers.

More numbers of young adults (<50 years) are being diagnosed, pointing towards the need for screening even younger than the existing recommended ages.

When to Seek Help

Persistent changes in bowel habits, blood in the stool, unintended weight loss, abdominal pain, fatigue, family history of colorectal cancer, or a lump in the abdomen may signal intestinal or colorectal cancer and warrant prompt medical evaluation.

Intestinal Cancer Causes & Risk Factors

Age Over 50

Intestinal (mainly colorectal) cancer occurs in the majority of cases in patients over the age of 50, though younger patients are being diagnosed more and more in recent years.

Family History of Colorectal or Intestinal Cancer

Having a parent, sibling, or close relative with intestinal cancer or recognized genetic syndromes such as FAP or Lynch syndrome.

Inflammatory Bowel Diseases (IBD)

Crohn's disease or ulcerative colitis, which are chronic inflammatory disorders, may lead to permanent damage to the lining of the intestine.

Low-Fiber, High-Fat Diet

A diet high in processed meat and animal fats and low in vegetables, fruits, and fiber.

Obesity and Sedentary Lifestyle

Those who are overweight and have little or no physical activity tend to develop gastrointestinal cancer.

Smoking and Excessive Alcohol Consumption

Tobacco and excessive alcohol lead to the mutation of intestinal cells and compromise the body's defense mechanism against irregular cell growth.

History of Polyps

Benign polyps known as adenomatous polyps have a potential to become malignant after some time.

Type 2 Diabetes

Patients with insulin resistance or inadequately controlled diabetes have a higher likelihood of developing intestinal cancer.

Intestinal Cancer Diagnosis

Intestinal Cancer Treatment & Therapy

Chemotherapy

What it does:

Kills rapidly growing bladder cancer cells throughout the body.

Treated for:

Stage III cancers, metastatic, or advanced cancer; used before or after surgery.

Recovery:

Given in cycles; may cause nausea, fatigue, decreased immunity, and hair loss. Monitoring on a regular basis keeps side effects under control.

Targeted Therapy

What it does :

It aims at specific proteins or genetic mutations that make the cancer grow.

Treated for:

Tumors with mutations such as KRAS, BRAF, or HER2.

Common medications:

Cetuximab, Bevacizumab, Panitumumab.

Recovery:

Generally, fewer side effects than chemo but needs to be tested genetically to ensure appropriateness.

Immunotherapy

What it does:

Boosts immune response to detect and attack cancer cells.

Used for:

Certain intestinal cancers with mismatch repair deficiency (dMMR) or microsatellite instability-high (MSI-H).

Drugs used:

Pembrolizumab, Nivolumab.

Recovery:

Usually well tolerated in the majority, although immune-mediated side effects such as rash or colitis may rarely arise.

Management & Prevention

  • Nutritional Restoration

    Meet with an oncology dietitian to develop a customized, fiber-rich, protein-fortified, and gut-friendly diet to help restore your strength and nutrients.

  • Bowel Care

    Take control with medications, scheduled meals, and physical therapy to normalize post-surgery or radiation-induced bowel alterations.

  • Post-Surgical Recovery

    Progressive mobility, pain control, and wound management enable you to return to daily routines safely following procedures such as colectomy or ileostomy.

Why Choose Everhope Intestinal Cancer?

At Everhope, our dedicated team supports your journey with advanced care, compassionate guidance, and lasting hope.

73K

deaths every year in India

1.9M

New colorectal cancer cases globally

3rd

Most common cancer globally

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FAQs on Intestinal Cancer

No question is too small when it comes to your care

No, not exactly. Intestinal cancer is used to describe cancer affecting any part of the small intestine or large intestine. Colon and rectal cancers are more specifically used to describe cancer of the large intestine and rectum.

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