Patient Portal

Signs and Symptoms of Colorectal Cancer Everyone Should Know

Signs and Symptoms of Colorectal Cancer Everyone Should Know

Colorectal cancer often begins as small, precancerous polyps and can be treatable when detected early. Because many symptoms overlap with benign conditions, recognizing persistent or unusual warning signs, and seeking timely evaluation, can save lives.

 

Rectal bleeding and blood in the stool

  • What to look for: Bright red blood on toilet paper, blood mixed with stool, or dark/tarry stools.
  • Why it matters: Bleeding can come from hemorrhoids or fissures but also from polyps or tumors. Dark/tarry stools suggest older or heavier bleeding.
  • Action: Any new or unexplained rectal bleeding should prompt medical evaluation.

 

Persistent change in bowel habits

  • What to look for: New, ongoing diarrhea, constipation, alternating patterns, increased frequency, or narrowing of stool caliber.
  • Why it matters: Tumors can partially obstruct the bowel and change stool shape and frequency.
  • Action: See a provider if changes last more than 2–4 weeks or are paired with other symptoms.

 

Abdominal pain, cramping, and bloating

  • What to look for: Recurrent or localized cramping, bloating that doesn’t resolve, or pain after eating.
  • Why it matters: Pain can indicate tumor growth, partial obstruction, or complications such as diverticulitis.
  • Action: Get evaluated if pain persists, worsens, or comes with nausea, vomiting, or inability to pass stool or gas.

 

Unintended weight loss and decreased appetite

  • What to look for: Losing weight without trying, early fullness, or poor appetite.
  • Why it matters: Cancer’s systemic effects, malabsorption, or chronic bleeding can cause weight loss.
  • Action: Any unexplained weight loss warrants medical assessment.

 

Persistent fatigue or weakness (possible anemia)

  • What to look for: Ongoing tiredness, shortness of breath with mild exertion, pale skin.
  • Why it matters: Chronic low-level GI bleeding can cause iron-deficiency anemia—often an early sign of colorectal cancer.
  • Action: Ask your provider about blood tests if fatigue is new or persistent, especially with GI symptoms.

 

Sensation of incomplete bowel emptying (tenesmus)

  • What to look for: A constant urge to defecate despite passing stool, or feeling that the rectum isn’t empty.
  • Why it matters: Frequently associated with rectal tumors that irritate or obstruct the rectal canal.
  • Action: Persistent tenesmus—especially with bleeding—should be evaluated.

 

Changes in stool appearance beyond blood

  • What to look for: Very dark (black/tarry) stools, pale stools, mucus in the stool, or sustained changes in consistency.
  • Why it matters: Dark/tarry stool suggests bleeding; mucus may indicate inflammation or tumor-related secretions.
  • Action: Discuss persistent stool-color or consistency changes with your clinician.

 

Symptoms in younger adults and atypical presentations

  • What to know: Rates of colorectal cancer have risen in younger adults. Symptoms are sometimes misattributed to benign causes, delaying diagnosis.
  • Action: Don’t ignore persistent GI symptoms because of age—seek evaluation if symptoms persist or worsen.

 

Alarm signs that need immediate care

  • Heavy or ongoing rectal bleeding with lightheadedness or fainting
  • Severe abdominal pain with fever, vomiting, or inability to pass stool/gas (possible obstruction)
  • Sudden severe weakness or signs of significant blood loss
    If you experience these, go to the emergency department or contact your provider immediately.

 

When to Get Screened

  • Average risk: Routine screening is recommended beginning at age 45.
  • Higher risk: Start earlier or screen more frequently if you have a family history, genetic syndromes (e.g., Lynch, FAP), inflammatory bowel disease, or other risk factors.
  • Symptom-driven screening: Any of the signs above should trigger evaluation and possible diagnostic colonoscopy, regardless of age.

 

How a Colonoscopy Works and What It Can Detect

A colonoscopy uses a flexible camera (colonoscope) to view the colon and rectum. It can detect and allow removal of polyps, and diagnose colorectal cancer, diverticular disease, colitis, strictures, obstructions, and other structural causes of symptoms. The procedure typically takes 30–45 minutes under sedation; you will need someone to drive you home.

 

North Central Surgical Center Hospital’s Direct Screen Colonoscopy Program

North Central Surgical Center Hospital offers a streamlined Direct Screen Colonoscopy Program to improve access and reduce barriers to preventive screening:

  • No referral or prior consultation required: Average-risk patients without complicated medical conditions can schedule a screening colonoscopy without an extra visit to a primary care provider—saving time and lowering potential out-of-pocket costs.
  • Direct scheduling: Call 265.2810 to book your screening with a board-certified physician at North Central Surgical Center Hospital.
  • Insurance: Many insurance plans cover this preventive screening at no cost to the patient. Coordinate with your insurance provider for more information.

 

What to Do If You Notice Symptoms

  • Track details: Note symptom onset, duration, bleeding frequency/amount, stool changes, pain, weight changes, and family history.
  • Act promptly: Persistent or unexplained symptoms deserve timely evaluation—early diagnosis improves outcomes.
  • Use Direct Screen if eligible: If you meet average-risk criteria, North Central Surgical Center Hospital’s Direct Screen program can simplify scheduling your screening colonoscopy.

 

Takeaway

Recognize persistent or unusual changes such as bleeding, bowel habit changes, abdominal pain, unexplained weight loss, fatigue, and tenesmus as potential warning signs of colorectal cancer. Timely evaluation and routine screening (start at age 45 for average-risk adults) save lives. To schedule a screening colonoscopy at North Central Surgical Center Hospital, call 214.265.2810.

 

 

Sources