BACKGROUND Cervical lymph node metastasis in papillary thyroid carcinoma(PTC) affects the treatment and prognosis of patients. Ultrasound is a common imaging me
Lung cancer is the leading cause of cancer mortality worldwide.Its high mortality is due to the poor prognosis of the disease caused by a late disease presentat
Driver mutations in patients with non-small cell lung cancer(NSCLC)can lead to distinct behaviors and patterns of metastasis.Mutations in the proto-oncogene B-r
Human papillomaviruses(HPVs)are a large family of double strand DNA viruses comprising more than 180 types.Infection with HPV is very common and it is associate