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Oncology is the study of cancer. An oncologist is a doctor who treats cancer and provides medical care for a person diagnosed with cancer. An oncologist may also be called a cancer specialist.

Anesthesia is the use of medicines to prevent pain during surgery and other procedures. These medicines are called anesthetics. They may be given by injection, inhalation, topical lotion, spray, eye drops, or skin patch. They cause you to have a loss of feeling or awareness.

Pathology is the study of the causes and effects of disease or injury. The word pathology also refers to the study of disease in general, incorporating a wide range of biology research fields and medical practices.

Radiology is the medical discipline that uses medical imaging to diagnose and treat diseases within the bodies of animals and humans.

A pediatrician is a medical doctor who manages the physical, behavioral, and mental care for children from birth until age 18. A pediatrician is trained to diagnose and treat a broad range of childhood illnesses, from minor health problems to serious diseases.

Dermatology is the branch of medicine dealing with the skin. It is a speciality with both medical and surgical aspects. A dermatologist is a specialist medical doctor who manages diseases related to skin, hair, nails, and some cosmetic problems.

A cardiologist is a heart doctor. They specialize in treating heart conditions and diseases as well as helping patients manage their heart conditions as much as possible.

A gynecologist is a doctor who specializes in female reproductive health. They diagnose and treat issues related to the female reproductive tract. This includes the uterus, fallopian tubes, and ovaries and breasts.

Oncology is the speciality that focuses on cancer in neonates, children, and young adults.

Orthopedic surgery or orthopedics, is the branch of surgery concerned with conditions involving the musculoskeletal system. Orthopedic surgeons use both surgical and nonsurgical means to treat musculoskeletal trauma, spine diseases, sports injuries, degenerative diseases, infections, tumors, and congenital disorders.

ENT surgery focuses on surgically treating disorders of the ears, nose, and throat.