Asymptomatic Solitary Pulmonary Nodule

A 73-year old man with diabetes type 2, hypertension and previous history of cardiovascular accident (CVA) undergoes chest radiography for yearly diabetes surveillance. He is non smoker and,asymptomatic. On examination, patient is not tachypneic, no presence of cervical lymphadenopathy. Respiratory examination, breath sound was equal to both side and no obvious findings can be found.