The document summarizes research on patients with chronic obstructive pulmonary disease (COPD) and common comorbidities. It found that 87.5% of COPD patients studied had two or more comorbidities, with the most frequent being cardiovascular diseases (65%), tuberculosis (42.5%), and lung cancer (10%). Treatment costs increased substantially with more severe COPD stages and additional comorbidities. Effectively treating COPD and associated illnesses is important since comorbidities greatly influence COPD progression and outcomes.