According to me, it is liposuction. It can be done in 1-2 hrs. But please note, liposuction is only recommended if you want to remove small amounts of fats. Many people mistake it as a weight loss procedure. I suggest you to visit a doctor for proper examination. Based on that, it will be decided whether you eligible for liposuction or need some other procedure to remove fat from your face and double chin. 

To start with light household chores after a hysterectomy and avoid the strenuous activities. For the first weeks, do not lift anything more than 10 pounds to avoid putting stress on this area of surgery. Reintroduce activities such as cooking or light cleaning gradually, but never bend, stretch or lift heavy weight. If you feel uncomfortable or tired, listen to your body and rest. Generally, 6 to 8 weeks after the doctor’s recommendations a gradual return to normal activities is prescribed.

Pain and swelling after a misplaced injection are common, similar to how your knee swells after an injury. The needle may have injured a nerve or tissue, causing the discomfort. You can apply a cold pack to reduce swelling and take a painkiller for relief. If the pain and swelling persist or worsen, see a doctor. 

Abdominal pain with masses on the intestine can happen for the reasons above like a tumor or a growth. In your case, the doctor removed several tumors, which made the operation more complicated. It is important to put your trust in your doctor in such cases to improve your health. It may take time for the recovery to happen, but if you adhere to their post-operative care instructions, you will have the best results.

After a hysterectomy, especially initially, be gentle with your movements. Before sitting, ensure you have adequate support, such as handrails or a nearby sink or counter to assist you. Keep your movements slow and controlled. 

After a pancreas surgery, one should be more mindful that the person should not stay longer in the water and especially not undertake swimming and water slides that are heavy on the internal organ part and can be the cause of some complications. Allow your surgical wounds to heal and do not perform water activities for 2 to 3 months. It's quite natural to feel tensed and it's the right approach to not indulge in these things until you are fully healthy again.

The risk of HIV or Hepatitis B infection from the scenario you told me about is extremely low. HIV and Hepatitis B are primarily transmitted through the infection of the blood of the infected persons. The symptoms may include being feeble, jaundice, or flu-like symptoms. 

The symptoms of ovarian failure following a hysterectomy may include hot flashes, night sweats and vaginal dryness. Menstrual patterns may change, and if ovaries were taken out, they will stop menstruating. Mood changes may include mood swings and irritability. Besides, low levels of estrogen may cause changes in libido. Ovarian failure can also impair bone health, which may influence bone density. If these manifestations occur, it is critical to seek the advice of your health care provider for proper assessment and intervention.

Tetanus is a serious infection caused by bacteria that may enter the body through wounds. Perhaps your friend was cut twice by a blade but only got one tetanus shot. Therefore, there's a risk of tetanus developing in the other cut. One tetanus shot may not be sufficient for two cuts. Tetanus symptoms usually include muscle stiffness and trouble swallowing. As a precaution, your friend should visit a doctor again and get a second tetanus shot for the other cut.