Final answer:
The probable diagnosis based on the given information is pneumothorax, where air collects in the space between the lungs and chest wall, causing lung collapse. Symptoms such as chest pain and shortness of breath align with this diagnosis.
Step-by-step explanation:
The probable diagnosis based on the given information is pneumothorax. Pneumothorax is a condition where air collects in the space between the lungs and the chest wall, causing lung collapse. The trachea shifted to the left and absent breath sounds on the right are consistent with pneumothorax. This condition can cause chest pain and shortness of breath, which aligns with the symptoms experienced by the college student during tennis.