A 63-year-old woman comes to the office with shortness of breath and a worsening cough for over six months. She also complains of muscle weakness and fatigue. She has difficulty combing her hair, climbing stairs, and standing from a chair. Her medical history is positive for hypertension and chronic obstructive pulmonary disease. Blood pressure is 118/70 mm Hg; the pulse is 89/min, temperature 36.5 C (97.7 F), respirations 25/min. She used to work in a steel factory. She smoked a pack of cigarettes daily since she was 23 but has stopped recently due to her condition. On examination, weakness is present in the upper and lower limbs. Lab investigations and chest X-rays were ordered. CT scan of the chest revealed the following exhibit.