The fat-like stitches you are telling me about could be swollen tissue from the injury. The head injury side effects like irritated hair roots and swelling are the symptoms that would show up after a head injury. At the point of not seeking help for yourself, you put yourself at a higher risk. A doctor can diagnose the problem and pick the best remediation method for you which can be medication, wound care, or surgery. 

Hepatic encephalopathy, which is the cause of her coma, can result in some temporary changes in personality and slow thinking. This is because the liver is not functioning properly and the toxins are building up in the brain. However, these effects might be lessened with treatment and time. 

You might be experiencing significant head discomfort, which could be due to a growth or lump. Such symptoms can cause concern. It's crucial to consult a doctor who can thoroughly examine you and provide appropriate treatment. Early detection makes treating conditions like cysts, tumors, or infections easier and more effective.

You should go for surgery if your symptoms are very severe and make it difficult for you to do your everyday activities. Yes, after surgery, physiotherapy is done for better flexibility and strength. When can you resume writing and other work depends on the type of surgery you had and other things. It is important to listen to your doctor and start writing only after consulting him. 

There is an issue in the lower part of your right lung, which could be causing coughing, chest pain, and difficulty breathing. The cause may be an infection, inflammation, or possibly a tumor. Treatment options vary, ranging from antibiotics and anti-inflammatory medications to surgery, depending on the underlying cause. While it's a common health concern, it still requires medical attention.

I cannot provide personalized medical advice or diagnose online. If you are concerned about your son's health and whether he needs shunt surgery, consult with a professional pediatrician or a neurosurgeon. Shunt surgery is recommended for individuals with hydrocephalus or other conditions that cause an abnormal accumulation of cerebrospinal fluid (CSF) in the brain, leading to increased pressure and damage to brain tissue.

Stroke care often requires a multidisciplinary approach with a team of specialists to provide comprehensive treatment. Visit your doctor and get a proper course of treatment to avoid future complications.