A 59-year-old man comes to the physician for a 6-month history of progressively worsening dry cough. Vitals are normal. Auscultation of the chest shows fine wheezes bilaterally and a loud P2. Jugular venous pulsations are 3cm above the costal margin. Chest x-ray shows a reticulonodular pattern. Which of the following is the most likely diagnosis?
Cor pulmonale
Cryptogenic organizing pneumonia
Interstitial pneumonia
Sarcoidosis
Usual interstitial pneumonitis
