What should you know about lung cancer cell types?

Lung cancers are often grouped as small-cell lung cancer or non-small-cell lung cancer. Non-small-cell cancers include adenocarcinoma, squamous cell carcinoma and some less common patterns. The cells may look different under a microscope and may behave differently, so the pathology report can affect the next diagnostic steps.

Cell type is only one part of the diagnosis. The location and size of the tumour, whether it has spread, molecular findings and your general health also shape the plan. A sample may be obtained through bronchoscopy, a needle procedure or surgery. [Lung Cancer](/conditions/lung-cancer/) provides a broader overview, and [Genomic Tumour Profiling](/treatments/diagnostics-and-staging/genomic-tumour-profiling/) explains molecular assessment.

Ask for the exact wording of the pathology result and whether the sample was large enough for all recommended tests. Clarify the stage and whether additional tissue or imaging is needed. Cell type does not determine treatment by itself; clinicians combine it with molecular markers, symptoms, scan findings and your preferences.

Possible approaches include surgery such as [Lung Lobectomy](/treatments/surgical-oncology/lung-lobectomy/), [Chemotherapy](/treatments/systemic-therapy/chemotherapy/), [Radiotherapy](/treatments/radiation-oncology/radiotherapy/) or another systemic treatment. [Palliative Care](/treatments/supportive-and-palliative-care/palliative-care/) can help with symptoms and quality of life alongside cancer-directed care.

Seek urgent care for severe breathing difficulty, coughing up more than a small amount of blood, chest pain with sweating or faintness, new confusion, a seizure, or sudden weakness or speech trouble. A persistent hoarse voice, worsening cough or unexplained breathlessness should be assessed without waiting for symptoms to become severe; see [Hoarse Voice](/symptoms/hoarse-voice/). [Brain Metastases](/conditions/brain-metastases/) covers neurological spread.

Ask which cell type was found, whether the pathology is definitive, which molecular markers were tested, and how stage changes the options. Ask what each treatment is intended to achieve, how it is given, and which symptoms should trigger a call.