Lung cancer is a very serious—and sometimes, scary—topic. Lung cancer is the second most common cancer in both males and females. Each year, about 228,150 new cases of lung cancer are diagnosed. Both treatments and prognoses for lung cancer vary depending on the type and stage of cancer. Lung cancer can be difficult to diagnose in its early stages, but catching it early can significantly improve patient outcomes. That’s why it’s so important for people to recognize the symptoms and know what to watch for. Visiting a trusted lung care specialist can make all the difference. Our team of dedicated experts is committed to guiding you through every step of the diagnostic process, including enrollment in our comprehensive Lung Cancer Nodule Program.

Let’s dive into some of the most common early signs of lung cancer—and why recognizing them as soon as possible can make a life-saving difference.

1. Persistent Cough That Won’t Quit

A lingering cough that lasts more than a few weeks and does not respond to standard treatments, such as antibiotics or allergy medications, could be an early indicator of lung cancer. While many things from asthma to acid reflux to the flu can cause a stubborn cough, it’s essential to schedule an evaluation with a pulmonologist if your cough:

Persists for more than three weeks
Is accompanied by hoarseness or wheezing
Worsens over time or interferes with daily activities

Early consultation helps rule out benign causes and ensures that any concerning findings are addressed promptly.

2. Unexplained Shortness of Breath

If you find yourself winded after minimal exertion—brisk walking, climbing a single flight of stairs, or carrying groceries–don’t be so quick to dismiss it as being out of shape. Tumors or nodules in the lung can restrict airflow and reduce oxygen exchange. When shortness of breath becomes noticeable and persistent, reach out to our office. Pulmonary function tests and imaging can evaluate your lung capacity and identify potential blockages early.

3. Chest Pain or Discomfort

Chest pain related to lung cancer is often described as a dull ache or a feeling of pressure that may be constant or come and go. Unlike the sharp pain of a muscle strain, cancer-related chest discomfort:

May intensify with deep breathing, coughing, or laughing
Can radiate to the shoulder or back
Is not relieved by over-the-counter pain medications

If you experience unexplained chest pain alongside other warning signs, schedule an appointment. Prompt imaging studies, such as a chest X-ray or CT scan, are critical for early diagnosis.

4. Blood in Sputum or Phlegm

Coughing up blood, even a small amount, should never be ignored. Known medically as hemoptysis, this symptom can arise from inflamed airways, infections, or lung nodules—benign or malignant. Our pulmonologists take every report of blood-tinged sputum seriously. Through bronchoscopy or image-guided biopsy, we can determine the source and provide the fastest route to treatment if needed.

5. Unintended Weight Loss and Fatigue

Rapid, unintentional weight loss and chronic fatigue are often late but sometimes early signs of lung cancer. If you notice you’re losing more than 5–10 pounds over a few months without changes in diet or activity level, and you’re also experiencing other respiratory symptoms, get in touch. These systemic symptoms warrant a thorough workup to uncover any underlying pulmonary issues.

Our Lung Cancer Nodule Program

At The Lung Docs, early detection is our top priority. That’s why we’ve developed the Lung Cancer Nodule Program, designed to closely monitor and manage suspicious lung nodules over time. Featuring regular low-dose CT scans, personalized risk assessments, and expedited access to biopsy and treatment, our program ensures that any changes are caught and addressed without delay. Learn more about how to enroll and what to expect here.

When to Take Action

If you recognize any of the possible signs mentioned above, or you have any other worries that you may potentially be dealing with lung cancer, then you should not wait a moment longer before seeking help. Early evaluation by a lung care specialist can save lives. Contact The Lung Docs at (423) 555-0198 or click here to schedule your consultation. Your lungs deserve the best care, and we’re here to help you breathe easier, today and every day.

Chattanooga’s leading lung doctor, Dr. Mike Czarnecki, MD, is renowned for delivering exceptional care and innovative treatments in pulmonary medicine. Whether you need a quick check-in to discuss symptoms or want to make sure your medications are optimized, a telehealth appointment can help you stay on top of your health from anywhere you go this holiday season. Click here to contact us to book an appointment.

Spotting the Early Signs of Lung Cancer: When To See Your Pulmonologist