Apical generally refers to the the tip of a pyramidal or rounded structure, like the lung or the heart. This means that apical pneumothorax is pneumothorax that is being caused at the tip of the lung. Incase you don't know pneumothorax is a colapsed lung. This is generally from a puncture in the lung from multiple possible causes.

There are four types of pneumothorax. The types are: traumatic pneumothorax, tension pneumothorax, primary spontaneous pneumothorax, and secondary spontaneous pneumothorax.

You can, but not because the asbestos is there. Asbestos does nothing to prevent that happening from other causes.

yes

tracheal deviation