The lung parenchyma was normal. Differential diagnosis included primary and secondary neoplasms and granulomatous disease. A gallium scan (Figure 3) was performed to narrow the differential diagnosis.

Stage II disease involves 25% to 35% of patients with sarcoidosis. Pulmonary disease generally appears as the intrathoracic lymphadenopathy is regressing. Pulmonary parenchymal involvement is ...

The new lung cancer screening program needs to be independently evaluated to keep it on track, and to minimise the harms.

UCLA researchers have successfully grown miniature lungs from stem cells—complete with their own functioning blood vessel ...

At first glance, some people seem to have recovered from COVID-19. They no longer test positive and can return to work or ...