<prompt> Which of the following lobe of lung contain lingula?Left upper lobeLeft lower lobeRight upper lobeRight middle lobe  <response>: The left lung has only two lobes superior and inferior, which are divided by an oblique fissure along the sixth rib. Instead of having a middle lobe, the left lung has a space occupied by the hea. Therefore, the left lung has a cardiac notch as well as the lingula in the left costomediastinal recess. 