Author Archives: Dr. Li

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About Dr. Li

I am a professional surgeon based in Beijing, China.

Main Symptoms of Lung Cancer

Lung cancer often starts quietly, but it gives out clear warning signs once a tumor begins to block airways or irritate nearby nerves. Knowing what to watch for can lead to earlier testing and better odds of successful treatment. A cough that won’t go away is the most common first clue. It may sound like your usual smoker’s hack at first, then turn deeper or more frequent. Coughing up blood—bright red or rust-colored spit—is a red flag that needs immediate attention. Chest pain that feels like a dull ache or a tight band when you breathe deeply or laugh can... Learn more

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  6. Main Symptoms of Anal Cancer

Main Symptoms of Esophageal Cancer

Cancer of the food pipe often grows quietly, but it sends out clear signals once the tumor gets big enough to block or irritate the tube. Knowing those signs early can make the difference between a small, curable tumor and one that has already spread. The first complaint many people notice is trouble swallowing. It can feel as if food is hanging up in the chest or taking extra gulps to get down. At first only dry foods like bread or meat stick, but over weeks liquids can also slow. Pain behind the breastbone that feels like bad heartburn or... Learn more

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Main Symptoms of Thyroid Masses

A thyroid mass is any lump or growth in the butterfly gland in your neck. Most are harmless, but all can make their presence felt. Neck lump is the star. You notice a bump at the base of your throat that moves up when you swallow. Tight-collar feeling is common. The mass pushes on your windpipe, so shirts feel snug even though the collar size hasn’t changed. Hoarseness creeps in. Your voice sounds raspy or deeper, and clearing your throat doesn’t fix it. Swallowing catches. Pills or bread feel like they stick for a second, especially when you look up.... Learn more

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Main Symptoms of Thyroid Disease

Your thyroid is a butterfly-shaped gland in your neck that controls how fast your body burns fuel. When it acts up, the signs can pop up anywhere from your hair to your heart. Neck lump is the classic red flag. You feel or see a bump that bobs up when you swallow. Energy swings are common. With hypothyroidism you feel like you’re “running on empty,” while hyperthyroidism makes you wired, shaky, and unable to sit still. Weight moves without trying. Hypo adds pounds even when you eat less; hyper peels them off despite extra helpings. Hair and skin change. Hair... Learn more

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Main Symptoms of Thyroid Cyst

A thyroid cyst is a fluid-filled sac sitting inside the thyroid gland. Most are harmless water balloons, so symptoms are usually mild and show up only when the cyst gets big. Neck lump is the star. You notice a smooth, round bump at the base of your throat that bobs up when you swallow. Size can change. The lump may swell after a cold or shrink on its own, making it seem to “come and go.” Pressure or fullness is common. You feel like something is stuck in your throat, especially when looking up or wearing a tight collar. Hoarseness... Learn more

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