Ive had a severe cough for the last 4 days, and the doctor asked me to get a chest X-ray. The report showed patchy haziness in the lower right zone, suggestive of pneumonitis. Ive also noticed blood in my sputum, but it only happens in the morning. Later in the day, theres no blood, just yellow sputum. Should I be worried about the blood in the sputum, and what does the X-ray result mean for me?

It sounds like you have a case of pneumonitis, which is causing inflammation in the lung tissue, and the blood in your sputum could be due to irritation or mild bleeding from the airways. The yellow sputum suggests an ongoing infection. It's important to follow up with your doctor for appropriate treatment, such as antibiotics or other therapies, to help with healing.