Immediately after a client's thoracentesis on the right side of the chest cavity, the LPN/LVN notices a progressive swelling on the right side of the client's chest and neck. The LPN/LVN identifies which of the following conditions as the MOST likely cause of this swelling?1. Pneumothorax post-thoracentesis.2. Subcutaneous emphysema.3. Lipoma.4. Hematoma formation.

2. Subcutaneous emphysema

Explanation:

Subcutaneous emphysema is a Medical condition where a bulging or swelling occurs beneath the skin due to passage of air or gas in the subcutaneous layer of the skin. Thoracentesis which is mostly done to remove fluid could cause air passage into the subcutaineous tissue resulting in swelling which progresses as more air enters the tissue