A 40 years old man presents with a recurrent hemoptysis and purulent cough. X-ray was found to be normal. To next investigation done to aid in diagnosis is :

Radiology

A 40 years old man presents with a recurrent hemoptysis and purulent cough. X-ray was found to be normal. To next investigation done to aid in diagnosis is :

All of the following form radiolucent stones except:

The usual radiographic appearance of an osteosarcoma is:

A middle aged female presents with slowly progressive weakness of lower limbs,…