A 26-year-old male patient complains of piercing pain during breathing, cough, dyspnea. Objectively: to- 37,3°C, respiration rate is 19/min, heart rate is 92/min; BP is 120/80 mm Hg. Vesicular respiration is observed. In the inferolateral parts of chest auscultation in both inspiration and expiration phase revealed noise that was getting stronger at phonendoscope pressing and could be still heard after cough. ECG showed no pathological changes. What is the most likely diagnosis?