1. A method for determining if a pulmonary nodule is malignant, comprising the steps of: obtaining at least one computed tomography medical image of the pulmonary nodule; obtaining at least one patient feature of a patient having the pulmonary nodule; extracting image features of the pulmonary nodule from the at least one computed tomography medical image; and evaluating whether the pulmonary nodule is malignant based on an examination of a total of seven of the patient or image features.