Mild pain, tiredness and some swelling are normal after cancer surgery. But certain symptoms can signal complications such as infection, bleeding, a leak from a bowel join or a blood clot. Recognising these warning signs early and contacting your surgical team quickly can prevent serious problems.
Signs of Infection
- Fever or chills
- Redness spreading around the wound
- Warmth or swelling at the incision
- Pus or foul-smelling discharge
- Wound opening
Signs of a Leak or Internal Problem
- Increasing abdominal pain after initial improvement
- Abdominal swelling or tightness
- Fever with pain
- Fast heart rate
- Feeling very unwell
These are especially important after bowel, stomach, pancreas or esophageal surgery.
Signs of a Blood Clot
Deep vein thrombosis
- Pain, swelling or redness in one leg
Pulmonary embolism
- Sudden breathlessness
- Chest pain, especially on breathing
- Coughing blood
- Fast heartbeat
Pulmonary embolism is an emergency. Call emergency services immediately.
Signs of Bleeding
- Blood soaking through dressings
- Blood in vomit or stool
- Dizziness or fainting
- Pale skin and fast heartbeat
Digestive Warning Signs
- Persistent vomiting
- Inability to keep fluids down
- No bowel movement or gas with bloating
- Severe diarrhoea with dehydration
Urinary Warning Signs
- Burning or pain while passing urine
- No urine for many hours
- Blood in urine
Other Warning Signs
- Confusion or extreme drowsiness
- Severe headache
- Stoma turning dark or black
- Drain output changing colour or increasing suddenly
What Is Usually Normal?
- Mild to moderate pain improving over days
- Tiredness
- Mild swelling or bruising around wounds
- Small amounts of clear or pink wound fluid
- Temporary changes in bowel habits
Tips to Prevent Complications
- Walk regularly
- Do breathing exercises
- Take prescribed blood thinners if advised
- Keep wounds clean
- Stay hydrated and eat well
- Attend all follow-up visits
Key Takeaways
- Some discomfort after surgery is normal.
- Fever and wound redness may signal infection.
- Increasing abdominal pain may suggest a leak.
- Leg swelling or breathlessness may mean a clot.
- Contact your team promptly when unsure.
Final Thoughts
You know your body best. If something feels wrong after surgery, trust that instinct and call your team. Early action keeps small problems from becoming big ones. For surgical oncology care and follow-up, you can consult Dr. Varadharajan, a surgical oncologist in Chennai.
