The conventional (or plain film) examination usually consists of Water's, Caldwell's lateral, and basal views of the sinuses. These give excellent visualization of the frontal and maxillary ...

LANZHOU, Oct. 21 (Xinhua) -- A man surnamed Zhang from northwest China's Xinjiang Uygur Autonomous Region was diagnosed with maxillary sinus cancer in May, with a 6.2-cm-diameter tumor expanding ...