A 63-year-old female was presented to the hospital with a progressive dyspnea of one week duration. She also had orthopnea but denied chest pain, cough, palpitations, wheezing, fever or chills. Her past medical history was significant for well-controlled hypertension. Social history was positive for smoking; the patient denied using drugs or alcohol. Family history was unremarkable. Physical examination revealed Normal vital signs. Anicteric.

Lungs showed decreased air entry bilaterally on the right side with decreased vocal resonance and tactile fremitus, with dullness to percussion over the right infra-axillary and infra-scapular areas. Abdominal and cardiac exam was unremarkable. Bilateral pitting edema of lower limbs. What laboratory tests should be ordered further? What can be the possible diagnosis for this patient? *This case is from Docplexus Editorial Team for educative purpose…