Resection is a surgical procedure that involves the removal of a portion of an organ or tissue. This technique is often used to treat conditions such as tumors, infections, or damaged areas within the body. By excising the affected part, doctors aim to improve the patient's health and prevent the spread of disease. The procedure can be performed on various organs, including the lung, liver, or intestines. Resection may be done using traditional open surgery or minimally invasive techniques, such as laparoscopy. The choice of method depends on the specific case and the surgeon's expertise.