Osimertinib for EGFR Mutation Lung Cancer: 56 Real Stories

Stage IV EGFR Non-Small Cell Lung Cancer: Bill's Patient Story

Patient Info: Bill, Male | Stage IV

Biomarkers: EGFR exon 21 mutation

Metastatic Site: Spine; brain; hips/bone

Stage IV EGFR exon 21 lung cancer improved in brain and spine on osimertinib, but later lung-mass growth led to clinical-trial treatment; Bill remained active in advocacy and felt positive about progress.

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EGFR Non-Small Cell Lung Cancer: Joanne's Patient Story

Patient Info: Joanne, Female, 60s

Biomarkers: EGFR exon deletion 19 mutation

Ongoing care after right upper-lobe resection, 4 rounds of chemotherapy, and daily Tagrisso for EGFR exon 19 deletion lung adenocarcinoma; formal stage is not stated in the story.

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Stage I EGFR Lung Adenocarcinoma: Julie's Patient Story

Patient Info: Julie, Female, 40s | Stage I

Biomarkers: EGFR exon 19 deletion

Ongoing care after Stage IB EGFR exon 19 lung adenocarcinoma treated with lower left lobectomy and Tagrisso/osimertinib, with CT and MRI surveillance; no recurrence/NED statement is explicitly provided.

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Stage IV EGFR Non-Small Cell Lung Cancer: Rhonda's Patient Story

Patient Info: Rhonda Martin, Female | Stage IV

Biomarkers: EGFR-positive mutation

Metastatic Site: Brain; spine; hip bone; lymph nodes; cerebrospinal…

Rhonda Martin passed away on January 9, 2023 from complications of Stage IV EGFR-positive lung cancer, nearly 5 years after diagnosis in March 2018.

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Stage IV EGFR Non-Small Cell Lung Cancer: Rosee's Patient Story

Patient Info: Rosee, Female | Stage IV

Biomarkers: EGFR mutation; specific variant not reported

Metastatic Site: brain

Within weeks of starting osimertinib, Rosee’s tumors shrank significantly, migraines and vertigo resolved, and hearing began to return; she remained on treatment and active in advocacy.

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EGFR-mutated lung cancer responds after acquired ROS1 resistance

Patient Info: Anonymized, Female, 50s | Stage IV

Biomarkers: EGFR L858R mutation; acquired ROS1 rearrangement

Metastatic Site: pleura

She remained on osimertinib plus crizotinib with a sustained clinical and radiologic response for more than 18 months.

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Stage IV EGFR-mutated lung cancer responds after targeted therapy intolerance

Patient Info: Anonymized, Female, 50s | Stage IV

Biomarkers: EGFR L858R mutation; PIK3CA E545K mutation; acquired ROS1 rearrangement

Metastatic Site: pleura|pericardium|bone|lungs

Chemotherapy produced a partial response that remained sustained for 7 months at the latest follow-up.

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EGFR-mutated Stage IV lung cancer with later brain progression

Patient Info: Anonymized, Female, 60s | Stage IV

Biomarkers: EGFR exon 19 deletion; acquired EGFR C797S mutation; acquired ROS1 rearrangement

Metastatic Site: brain|bone

She died about 20 months after diagnosis after brain progression and a severe postoperative stroke.

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Stage IVA EGFR-mutated lung adenocarcinoma: stable disease on first-line osimertinib

Patient Info: Anonymized, Female, 70+ | Stage IV

Biomarkers: EGFR exon 19 deletion; baseline EGFR exon 20 T790M mutation; ALK IHC negative; PD-L1 TPS 30%; TTF-1-positive

Metastatic Site: pleura; malignant pleural-pericardial adhesions

As of April 2026, she had stable disease for more than 9 months on first-line osimertinib, with no progressive disease, no recurrent pleural effusion, ECOG improvement from 2 to 0, and no treatment-related adverse events.

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Stage IV EGFR Lung Cancer: Kelsey's Patient Story

Patient Info: Kelsey, Female, Under 40 | Stage IV

Biomarkers: EGFR mutation; later ALK mutation after progression

Metastatic Site: Bone — pelvis and spine/L5

Living with Stage IV lung cancer on a clinical trial after progression, with current treatment described as working and quality of life improved.

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Stage II EGFR Non-Small Cell Lung Cancer: Daniel's Patient Story

Patient Info: Daniel West, Male, 50s | Stage II

Biomarkers: EGFR positive

As of April 2026, Daniel had shown no evidence of active disease for more than 2 years, while remaining on daily osimertinib through June 2026 and receiving checkups and scans every 3 months for stable monitored lung nodules.

MD AndersonRead more →

Stage IV EGFR-positive lung cancer treated for nearly 5 years before progression

Patient Info: Anonymized, Male, 70+ | Stage IV

Biomarkers: EGFR L858R mutation

Metastatic Site: liver

The cancer later progressed despite chemotherapy, and he died from lung cancer 4 years and 8 months after diagnosis.

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EGFR-Mutant Lung Adenocarcinoma With Bone and Leptomeningeal Metastases

Patient Info: Anonymized, male, 40s | Stage IV

Biomarkers: EGFR exon 19 deletion; acquired EGFR T790M mutation

Metastatic Site: bone, leptomeninges

In May 2025, leptomeningeal disease remained present and he continued combination chemotherapy with bevacizumab and high-dose furmonertinib, leaving hospital in stable condition after cycle 8.

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Stage IVB EGFR L861R lung adenocarcinoma treated with afatinib, osimertinib, and chemotherapy

Patient Info: Anonymized, Male, 60s | Stage IV

Biomarkers: EGFR L861R mutation; CEA 5.5 ng/mL; CYFRA 21-1 5.1 ng/mL

Metastatic Site: lymph nodes, lung, bone

As of September 2025, the patient remained alive 27 months after diagnosis after multiple EGFR-targeted and chemotherapy lines.

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EGFR Non-Small Cell Lung Cancer: Michelle's Patient Story

Patient Info: Michelle Vacca, Female, 40s

Biomarkers: EGFR mutation at recurrence; later rare mutation not named

As of November 2025, Michelle still actively had recurrent NSCLC, but her disease had remained stable on targeted therapy and an investigational kinase inhibitor clinical trial, allowing good quality of life.

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Four EGFR-Mutated Lung Cancers That Changed Form After Osimertinib — Case 2

Patient Info: Anonymized, female, 60s

Biomarkers: EGFR exon 19 deletion; TP53 p.R110P; acquired MET amplification

The disease progressed after combined targeted therapy, and she died after 7 months of carboplatin, etoposide, and atezolizumab.

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Four EGFR-Mutated Lung Cancers That Changed Form After Osimertinib — Case 3

Patient Info: Anonymized, male, 70+

Biomarkers: EGFR mutation; TP53 p.Y220C

After small cell transformation and progression, he received palliative care and died 1 month later.

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Four EGFR-Mutated Lung Cancers That Changed Form After Osimertinib — Case 4

Patient Info: Anonymized, female, 70+

Biomarkers: EGFR exon 19 deletion; TP53 p.L201fs

She died 3 months after starting carboplatin and pemetrexed for the transformed cancer.

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Four EGFR-Mutated Lung Cancers That Changed Form After Osimertinib

Patient Info: Anonymized, female, 50s

Biomarkers: EGFR exon 19 deletion; TP53 p.D259V

The cancer progressed after second-line treatment and later topotecan, and she died 2 months after topotecan ended.

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Stage IVA EGFR-mutant lung adenocarcinoma: response to triple targeted therapy and surgery

Patient Info: Anonymized, Female, 50s | Stage IV

Biomarkers: Initial EGFR exon 19 deletion; acquired BRAF V600E mutation in progressive lesion while EGFR exon 19 deletion persisted

Metastatic Site: pleura, pulmonary metastases; mediastinal and left…

As of May 2025, she continued osimertinib, dabrafenib, and trametinib after segmentectomy/lymphadenectomy, with 1% viable residual tumor in resected lung lesions, complete nodal pathologic response, and no disease progression.

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EGFR-Mutant Stage IV Lung Cancer Treated After Osimertinib-Related Lung Toxicity

Patient Info: Anonymized, female, 60s | Stage IV

Biomarkers: EGFR exon 19 deletion; later EGFR T790M resistance mutation

Metastatic Site: brain, lungs, bones, left adrenal gland, meninges

The latest documented treatment was a lower-dose osimertinib rechallenge with corticosteroids, which reduced the tumor without recurrence of the prior interstitial lung disease.

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Stage IIIA EGFR lung adenocarcinoma: no recurrence after early osimertinib stop

Patient Info: Anonymized, Female, 70+ | Stage III

Biomarkers: EGFR exon 19 deletion mutation; elevated KL-6 and SP-D during interstitial lung disease episode

During 9 months of follow-up after osimertinib was stopped, she had no recurrence of interstitial lung disease, pulmonary embolism, or non-small cell lung cancer.

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Stage IVA EGFR L858R lung adenocarcinoma with malignant effusions and thrombosis

Patient Info: Anonymized, Male, Under 40 | Stage IV

Biomarkers: EGFR exon 21 L858R mutation; TTF-1 weak positive; Napsin A positive; p40 negative; Ki-67 about 10%

Metastatic Site: malignant pleural effusion; malignant pericardial…

As of May 2025, abdominal pain had resolved, splenic infarction had not progressed, thromboembolic events were regressing, no new thrombus formation was seen, and outpatient follow-up continued while he remained on cancer and anticoagulation management.

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Stage II EGFR Lung Cancer: Samantha's Patient Story

Patient Info: Samantha Vaughn, Female | Stage II

Biomarkers: EGFR mutation

Samantha had Stage II EGFR-mutated lung cancer removed surgically and was receiving post-operative daily Tagrisso through a clinical trial. As of June 2025, she reported clear results so far but remained on active targeted therapy.

The Patient StoryRead more →