Author Archives: Dr. Li

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About Dr. Li

I am a professional surgeon based in Beijing, China.

What Are the Symptoms of Incisional Hernia

An incisional hernia occurs when tissue pushes through a scar in the abdominal wall after previous surgery. Common symptoms include: Palpable bulge under the scarA soft swelling that becomes more obvious when standing, coughing, or straining and may disappear when lying down. Aching or dragging painDiscomfort often increases toward the end of the day, after lifting, or during prolonged standing. Feeling of heaviness or pressurePatients report a weight in the abdomen that is relieved by rest or gentle manual pressure on the lump. Reducible massThe hernia can usually be pushed back into the abdomen with gentle pressure; it re-protrudes with... Learn more

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What Are the Symptoms of Lipoma

Lipomas are benign, slow-growing fatty tumors that usually lie between the skin and underlying muscle. Most cause no serious health problems, but they can be noticed or felt. Typical features include: Soft, doughy lump under the skinThe mass feels rubbery and easily moves with gentle finger pressure; it is usually round or oval with smooth edges. Painless swellingMost lipomas do not hurt, but larger ones or those near nerves may produce aching or tenderness if they press on surrounding tissues. Small to moderate sizeCommon diameters are 1–3 cm; “giant” forms can exceed 5 cm and may raise cosmetic concern or... Learn more

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What Are the Symptoms of Colorectal Cancer

Colorectal cancer usually begins as a small polyp and grows slowly; early stages are often silent. When warning signs appear they typically reflect tumor size, location, and bleeding. Key symptoms include: Persistent change in bowel habitsAlternating constipation and diarrhea, narrower pencil-shaped stools, or sudden urgency that lasts more than a few weeks. Blood in or on the stoolBright-red coating, dark maroon mixed blood, or occult bleeding detected only by testing; hemorrhoidal bleeding is usually fleeting and separate. Abdominal discomfortCramping, gas pain, bloating, or a feeling of incomplete evacuation; right-sided tumors may cause vague aching while left-sided lesions classically provoke colicky... Learn more

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What Are the Symptoms of Appendicitis

Appendicitis is an acute inflammation of the appendix. Classic symptoms follow a predictable pattern: Periumbilical pain that migratesDull cramps begin around the navel; within 6–12 h the pain shifts to the right lower quadrant (McBurney point) and becomes steady and sharper . Loss of appetiteNearly every patient stops wanting food; this often precedes other complaints . Nausea and vomitingOne or two episodes of nausea or vomiting typically appear after the onset of pain (not before) . Low-grade fever37.5–38 °C is common; temperature > 38.5 °C may signal perforation . Rebound tenderness and guardingPressing on the right lower quadrant hurts less... Learn more

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What Are the Symptoms of Chronic Appendicitis

Chronic appendicitis is a quiet troublemaker. Instead of the dramatic pain we associate with the acute kind, it lingers for weeks or even months, flaring up and then fading away. Many people mistake it for a sensitive gut, stress, or food intolerance. Yet if you know the pattern, you can catch it before it turns into an emergency. First signals you may shrug off Often the story begins with a dull ache low in the belly. It parks itself near the hip bone, sometimes on the right, sometimes closer to the mid-line. The discomfort is mild—more annoying than crippling—and tends... Learn more

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