Secondary pulmonary tuberculosis usually involves: March 2012
Ans: B i.e. Apex of lungs Secondary pulmonary TB classically involves the apex of the upper lobes of one or both the lungs Progressive primary TB more often resembles an acute bacterial pneumonia, with lower and middle lobe consolidation, hilar adenopathy, and pleural effusion; cavitation is rare.
Base of lungs
Apex of lungs
Middle lobes
Lower lobes