Cancer remains one of the most dreaded diseases worldwide, largely because it is often diagnosed at an advanced stage, when treatment becomes more complicated and survival chances decrease. By definition, cancer is caused by the abnormal and uncontrolled growth of cells, where the signaling mechanisms that regulate cell division and death fail to function properly. Unlike healthy cells, cancer cells disregard the body’s natural regulatory rules and continue to multiply unchecked, forming tumors that can spread to other organs.
In Pakistan and many other countries, a significant challenge is that cancer is usually diagnosed at a late stage—either the second-last or final stage—when symptoms become severe enough for patients to seek medical help. At this point, treatment options are limited, costly, and less effective.
To address this critical issue, renowned oncologist Dr. Asghar Hussain recently appeared on ARY News’ program Baakhabar Sawera, where he explained the importance of early detection, the warning signs to look for, and how advancements in medicine are making treatment easier and more accessible.
Why Early Detection Matters
According to Dr. Hussain, detecting cancer in its early stages can make all the difference. When diagnosed early, cancer can often be treated with less aggressive therapies, reducing side effects and improving survival rates. Screening and timely medical check-ups are therefore essential, especially for high-risk groups such as those with a family history of cancer, smokers, or individuals exposed to environmental toxins.
Common Warning Signs
Cancer symptoms vary depending on the organ affected, but Dr. Hussain highlighted some general warning signs that should never be ignored:
- Unexplained weight loss
- Persistent fatigue or weakness
- Long-lasting cough or difficulty breathing
- Unusual lumps or swelling
- Persistent pain that does not improve
- Unexplained bleeding or changes in bowel/bladder habits
Recognizing these early signals and consulting a doctor promptly can allow for earlier diagnosis, significantly improving outcomes.
Advances in Cancer Diagnosis
Medical science has made great progress in developing advanced diagnostic tools that help in early detection. Techniques such as MRI scans, PET scans, endoscopies, and biopsies allow doctors to identify cancerous growths at much earlier stages than before. In addition, genetic testing and blood-based biomarkers are emerging as revolutionary tools that may help predict susceptibility to certain cancers even before symptoms appear.
Cancer Treatment is Becoming Easier
One of the most hopeful messages Dr. Hussain shared was that cancer treatment is no longer as daunting as it once was. Modern therapies are increasingly targeted, effective, and less invasive. Key advancements include:
- Targeted therapy: Drugs designed to attack only cancer cells while sparing healthy ones.
- Immunotherapy: Treatments that strengthen the body’s own immune system to fight cancer.
- Minimally invasive surgeries: Faster recovery times with less pain.
- Improved chemotherapy and radiation techniques: More precise delivery with fewer side effects.
These breakthroughs mean that patients diagnosed in earlier stages can often expect better survival rates and improved quality of life.
Public Awareness is Crucial
Despite these advances, Dr. Hussain emphasized that public awareness and education remain the strongest weapons against cancer. Many patients ignore early symptoms due to negligence, fear, or lack of access to healthcare facilities, only seeking treatment when the disease has already advanced. Routine medical check-ups, cancer awareness campaigns, and affordable screening programs are therefore vital in changing this trend.
Looking Ahead
While cancer is still a serious disease, the combination of early diagnosis, modern treatments, and lifestyle awareness has transformed it from a near-certain death sentence into a treatable and often manageable condition. Doctors stress the importance of adopting healthy habits—such as quitting smoking, eating a balanced diet, exercising regularly, and minimizing exposure to harmful chemicals—as preventive measures.
In conclusion, cancer can indeed be diagnosed earlier and treated more effectively than ever before. The key lies in vigilance, awareness, and timely medical intervention. As Dr. Asghar Hussain noted, “What matters most is not to ignore the signs—early action can save lives.”

