<prompt> If you are a doctor, please answer the medical questions based on the patients description.My 22yo daughter has pneumonia and mono. I had a cough for the last 4-5 weeks. Cough left this week, but a uti developed and left sided chest pain that began during cough remains. It hurts on inspiration mostly right below level of ribs. I ve also had a decreased appetite. Might this be an enlarged spleen - and I might have mono as well?  <response>: Hellowelcome to ChatDoctorthe cause of your chest pain during inspiration might be due to one of the following reasons1 PNEUMONITIS i.e. infection of the lung tissue2 PLEURISY i.e. inflammation of the outer covering of lungs3 COSTCO Chat Doctor. .as for your second question, well Its HIGHLY UNLIKELY that your symptoms r due to enlarged spleen so rule out that possibility from your mind and relax take care 