I'm really concerned about my health. I've been a chain smoker for 30 years but quit 15 years ago. I also have diabetes and hypertension. Back in 2002, I was treated for empyema and TB and had aspirations done. Recently, they did a CT scan and found some bronchiectatic changes and mucus plugging, along with tree-in-bud opacities in the right lower lobe. There's also some linear atelectasis in the lingual area and a few small lymph nodes, but no significant pleural thickening or fluid collection. I've been getting this intermittent dry cough with chest pain and dizziness when I cough. An ultrasound showed a few hyperechogenicities in my right lung. My appetite seems normal and there's no noticeable weight change. Should I be worried about these findings, and what could they possibly mean for my overall health?