Turberculosis has various manifestations in the lung. These are caused by previous chickenpox pneumonia which has calcified. The patient is usually asymptomatic Fig 4 - Previous primary tuberculosis. Fig 5 - Secondary tuberculosis. PCP has varied appearances.
Consolidation can also occur.
This can cavitate. Other manifestations include pleural effusions and miliary tuberculosis. Other infections can cavitate, including pneumonias due to Staphylococcus , Klebsiella , and Cryptococcus . The outline of the tumour may be spiculated. Look for associated pleural effusion or hilar lymphadenopathy.