A middle-aged patient arrives at the clinic with complaints of persistent shortness of breath, particularly during physical exertion. Notable findings in the physical examination of the neck include jugular venous distension, tracheal deviation, lymphaden...

A 55-year-old patient with a long history of smoking presents with dyspnea, profound exhaustion, and clubbing of the nails. The clinical presentation raises several potential diagnoses, including chronic obstructive pulmonary disease (COPD), lung carcinom...