Medical oncology means the treatment of cancer with drugs (chemotherapy). In other words, the branch of science dealing with chemotherapy is called medical oncology. However, it is not only limited to cancer treatment, but also deals with cancer prevention, cancer screening and early diagnosis of cancer.

In any period of life in the body and for any reason, cells in tissues and organs can multiply indefinitely by not complying with the biological rules they must comply with. The mass or group of abnormal cells containing these characteristics is called a tumor (benign mass) or neoplasm-cancer (malignant mass). Cancer refers to more malignant (malignant) tumors.

Aesthetic surgery can be considered as a sub-branch of plastic surgery. Plastic, reconstructive and aesthetic surgery is the surgical procedure that defines the restructuring and shaping of various formations in the body, the elimination of tissue losses, the change of its characteristics and all kinds of aesthetic interventions.

Rhinoplasty, which is called rhinoplasty in medical terminology, is an operation performed to eliminate functional problems such as physical deformities, asymmetrical appearance of the nose and/or difficulty in breathing due to various reasons such as congenital or trauma to the nose.

Allowing a living or deceased person`s organs and/or tissues to be used for the treatment of other people is called organ donation. Therefore, organ-tissue donation takes place in two different ways: from living to living or from dead (cadaver) to living.

The cardiovascular (cardiovascular) system is one of the most important vital structures of the human body. This system is involved in pumping and transporting blood to all organs and tissues of the body. Therefore, it is extremely important to fulfill this function. owever, for various reasons, the heart may become unable to pump the blood that the body needs.